diff --git a/src/routes/voteOnSponsorTime.ts b/src/routes/voteOnSponsorTime.ts
index 387ef4b..dd35e8f 100644
--- a/src/routes/voteOnSponsorTime.ts
+++ b/src/routes/voteOnSponsorTime.ts
@@ -1,4 +1,4 @@
-import { Request, Response } from "express";
+import e, { Request, Response } from "express";
 import { Logger } from "../utils/logger";
 import { isUserVIP } from "../utils/isUserVIP";
 import { getMaxResThumbnail, YouTubeAPI } from "../utils/youtubeApi";
@@ -197,13 +197,17 @@ async function categoryVote(UUID: SegmentUUID, userID: UserID, isVIP: boolean, i
         return { status: finalResponse.finalStatus };
     }
 
-    const videoInfo = (await db.prepare("get", `SELECT "category", "videoID", "hashedVideoID", "service", "userID", "locked" FROM "sponsorTimes" WHERE "UUID" = ?`,
-        [UUID])) as {category: Category, videoID: VideoID, hashedVideoID: VideoIDHash, service: Service, userID: UserID, locked: number};
+    const videoInfo = (await db.prepare("get", `SELECT "category", "actionType", "videoID", "hashedVideoID", "service", "userID", "locked" FROM "sponsorTimes" WHERE "UUID" = ?`,
+        [UUID])) as {category: Category, actionType: ActionType, videoID: VideoID, hashedVideoID: VideoIDHash, service: Service, userID: UserID, locked: number};
     if (!videoInfo) {
         // Submission doesn't exist
         return { status: 400, message: "Submission doesn't exist." };
     }
 
+    if (videoInfo.actionType === ActionType.Full) {
+        return { status: 400, message: "Not allowed to change category of a full video segment" };
+    }
+
     if (!config.categoryList.includes(category)) {
         return { status: 400, message: "Category doesn't exist." };
     }
diff --git a/test/cases/voteOnSponsorTime.ts b/test/cases/voteOnSponsorTime.ts
index d8cbc81..39898af 100644
--- a/test/cases/voteOnSponsorTime.ts
+++ b/test/cases/voteOnSponsorTime.ts
@@ -24,39 +24,40 @@ describe("voteOnSponsorTime", () => {
         const MILLISECONDS_IN_HOUR = 3600000;
         const warningExpireTime = MILLISECONDS_IN_HOUR * config.hoursAfterWarningExpires;
 
-        const insertSponsorTimeQuery = 'INSERT INTO "sponsorTimes" ("videoID", "startTime", "endTime", "votes", "locked", "UUID", "userID", "timeSubmitted", "views", "category", "shadowHidden", "hidden") VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)';
-        await db.prepare("run", insertSponsorTimeQuery, ["vote-testtesttest", 1, 11, 2, 0, "vote-uuid-0", "testman", 0, 50, "sponsor", 0, 0]);
-        await db.prepare("run", insertSponsorTimeQuery, ["vote-testtesttest2", 1, 11, 2, 0, "vote-uuid-1", "testman", 0, 50, "sponsor", 0, 0]);
-        await db.prepare("run", insertSponsorTimeQuery, ["vote-testtesttest2", 1, 11, 10, 0, "vote-uuid-1.5", "testman", 0, 50, "outro", 0, 0]);
-        await db.prepare("run", insertSponsorTimeQuery, ["vote-testtesttest2", 1, 11, 10, 0, "vote-uuid-1.6", "testman", 0, 50, "interaction", 0, 0]);
-        await db.prepare("run", insertSponsorTimeQuery, ["vote-testtesttest3", 20, 33, 10, 0, "vote-uuid-2", "testman", 0, 50, "intro", 0, 0]);
-        await db.prepare("run", insertSponsorTimeQuery, ["vote-testtesttest,test", 1, 11, 100, 0, "vote-uuid-3", "testman", 0, 50, "sponsor", 0, 0]);
-        await db.prepare("run", insertSponsorTimeQuery, ["vote-test3", 1, 11, 2, 0, "vote-uuid-4", "testman", 0, 50, "sponsor", 0, 0]);
-        await db.prepare("run", insertSponsorTimeQuery, ["vote-test3", 7, 22, -3, 0, "vote-uuid-5", "testman", 0, 50, "intro", 0, 0]);
-        await db.prepare("run", insertSponsorTimeQuery, ["vote-multiple", 1, 11, 2, 0, "vote-uuid-6", "testman", 0, 50, "intro", 0, 0]);
-        await db.prepare("run", insertSponsorTimeQuery, ["vote-multiple", 20, 33, 2, 0, "vote-uuid-7", "testman", 0, 50, "intro", 0, 0]);
-        await db.prepare("run", insertSponsorTimeQuery, ["voter-submitter", 1, 11, 2, 0, "vote-uuid-8", getHash("randomID"), 0, 50, "sponsor", 0, 0]);
-        await db.prepare("run", insertSponsorTimeQuery, ["voter-submitter2", 1, 11, 2, 0, "vote-uuid-9", getHash(randomID2), 0, 50, "sponsor", 0, 0]);
-        await db.prepare("run", insertSponsorTimeQuery, ["voter-submitter2", 1, 11, 2, 0, "vote-uuid-10", getHash("randomID3"), 0, 50, "sponsor", 0, 0]);
-        await db.prepare("run", insertSponsorTimeQuery, ["voter-submitter2", 1, 11, 2, 0, "vote-uuid-11", getHash("randomID4"), 0, 50, "sponsor", 0, 0]);
-        await db.prepare("run", insertSponsorTimeQuery, ["own-submission-video", 1, 11, 500, 0, "own-submission-uuid", getHash("own-submission-id"), 0, 50, "sponsor", 0, 0]);
-        await db.prepare("run", insertSponsorTimeQuery, ["not-own-submission-video", 1, 11, 500, 0, "not-own-submission-uuid", getHash("somebody-else-id"), 0, 50, "sponsor", 0, 0]);
-        await db.prepare("run", insertSponsorTimeQuery, ["incorrect-category", 1, 11, 500, 0, "incorrect-category", getHash("somebody-else-id"), 0, 50, "sponsor", 0, 0]);
-        await db.prepare("run", insertSponsorTimeQuery, ["incorrect-category-change", 1, 11, 500, 0, "incorrect-category-change", getHash("somebody-else-id"), 0, 50, "sponsor", 0, 0]);
-        await db.prepare("run", insertSponsorTimeQuery, ["vote-testtesttest", 1, 11, 2, 0, "warnvote-uuid-0", "testman", 0, 50, "sponsor", 0, 0]);
-        await db.prepare("run", insertSponsorTimeQuery, ["no-sponsor-segments-video", 1, 11, 2, 0, "no-sponsor-segments-uuid-0", "no-sponsor-segments", 0, 50, "sponsor", 0, 0]);
-        await db.prepare("run", insertSponsorTimeQuery, ["no-sponsor-segments-video", 1, 11, 2, 0, "no-sponsor-segments-uuid-1", "no-sponsor-segments", 0, 50, "intro", 0, 0]);
-        await db.prepare("run", insertSponsorTimeQuery, ["segment-locking-video", 1, 11, 2, 0, "segment-locking-uuid-1", "segment-locking-user", 0, 50, "intro", 0, 0]);
-        await db.prepare("run", insertSponsorTimeQuery, ["segment-hidden-video", 1, 11, 2, 0, "segment-hidden-uuid-1", "segment-hidden-user", 0, 50, "intro", 0, 1]);
-        await db.prepare("run", insertSponsorTimeQuery, ["category-change-test-1", 7, 22, 0, 0, "category-change-uuid-1", categoryChangeUserHash, 0, 50, "intro", 0, 0]);
-        await db.prepare("run", insertSponsorTimeQuery, ["category-change-test-1", 8, 22, 0, 1, "category-change-uuid-2", categoryChangeUserHash, 0, 50, "intro", 0, 0]);
-        await db.prepare("run", insertSponsorTimeQuery, ["category-change-test-1", 9, 22, 0, 0, "category-change-uuid-3", categoryChangeUserHash, 0, 50, "intro", 0, 0]);
-        await db.prepare("run", insertSponsorTimeQuery, ["category-change-test-1", 7, 12, 0, 1, "category-change-uuid-4", categoryChangeUserHash, 0, 50, "intro", 0, 0]);
-        await db.prepare("run", insertSponsorTimeQuery, ["category-change-test-1", 7, 13, 0, 0, "category-change-uuid-5", categoryChangeUserHash, 0, 50, "intro", 0, 0]);
-        await db.prepare("run", insertSponsorTimeQuery, ["category-change-test-1", 8, 12, 0, 1, "category-change-uuid-6", categoryChangeUserHash, 0, 50, "intro", 0, 0]);
-        await db.prepare("run", insertSponsorTimeQuery, ["category-change-test-1", 9, 14, 0, 0, "category-change-uuid-7", categoryChangeUserHash, 0, 50, "intro", 0, 0]);
-        await db.prepare("run", insertSponsorTimeQuery, ["category-change-test-1", 7, 12, 0, 1, "category-change-uuid-8", categoryChangeUserHash, 0, 50, "intro", 0, 0]);
-        await db.prepare("run", insertSponsorTimeQuery, ["duration-update", 1, 10, 0, 0, "duration-update-uuid-1", "testman", 0, 0, "intro", 0, 0]);
+        const insertSponsorTimeQuery = 'INSERT INTO "sponsorTimes" ("videoID", "startTime", "endTime", "votes", "locked", "UUID", "userID", "timeSubmitted", "views", "category", "actionType", "shadowHidden", "hidden") VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)';
+        await db.prepare("run", insertSponsorTimeQuery, ["vote-testtesttest", 1, 11, 2, 0, "vote-uuid-0", "testman", 0, 50, "sponsor", "skip", 0, 0]);
+        await db.prepare("run", insertSponsorTimeQuery, ["vote-testtesttest2", 1, 11, 2, 0, "vote-uuid-1", "testman", 0, 50, "sponsor", "skip", 0, 0]);
+        await db.prepare("run", insertSponsorTimeQuery, ["vote-testtesttest2", 1, 11, 10, 0, "vote-uuid-1.5", "testman", 0, 50, "outro", "skip", 0, 0]);
+        await db.prepare("run", insertSponsorTimeQuery, ["vote-testtesttest2", 1, 11, 10, 0, "vote-uuid-1.6", "testman", 0, 50, "interaction", "skip", 0, 0]);
+        await db.prepare("run", insertSponsorTimeQuery, ["vote-testtesttest3", 20, 33, 10, 0, "vote-uuid-2", "testman", 0, 50, "intro", "skip", 0, 0]);
+        await db.prepare("run", insertSponsorTimeQuery, ["vote-testtesttest,test", 1, 11, 100, 0, "vote-uuid-3", "testman", 0, 50, "sponsor", "skip", 0, 0]);
+        await db.prepare("run", insertSponsorTimeQuery, ["vote-test3", 1, 11, 2, 0, "vote-uuid-4", "testman", 0, 50, "sponsor", "skip", 0, 0]);
+        await db.prepare("run", insertSponsorTimeQuery, ["vote-test3", 7, 22, -3, 0, "vote-uuid-5", "testman", 0, 50, "intro", "skip", 0, 0]);
+        await db.prepare("run", insertSponsorTimeQuery, ["vote-multiple", 1, 11, 2, 0, "vote-uuid-6", "testman", 0, 50, "intro", "skip", 0, 0]);
+        await db.prepare("run", insertSponsorTimeQuery, ["vote-multiple", 20, 33, 2, 0, "vote-uuid-7", "testman", 0, 50, "intro", "skip", 0, 0]);
+        await db.prepare("run", insertSponsorTimeQuery, ["voter-submitter", 1, 11, 2, 0, "vote-uuid-8", getHash("randomID"), 0, 50, "sponsor", "skip", 0, 0]);
+        await db.prepare("run", insertSponsorTimeQuery, ["voter-submitter2", 1, 11, 2, 0, "vote-uuid-9", getHash(randomID2), 0, 50, "sponsor", "skip", 0, 0]);
+        await db.prepare("run", insertSponsorTimeQuery, ["voter-submitter2", 1, 11, 2, 0, "vote-uuid-10", getHash("randomID3"), 0, 50, "sponsor", "skip", 0, 0]);
+        await db.prepare("run", insertSponsorTimeQuery, ["voter-submitter2", 1, 11, 2, 0, "vote-uuid-11", getHash("randomID4"), 0, 50, "sponsor", "skip", 0, 0]);
+        await db.prepare("run", insertSponsorTimeQuery, ["own-submission-video", 1, 11, 500, 0, "own-submission-uuid", getHash("own-submission-id"), 0, 50, "sponsor", "skip", 0, 0]);
+        await db.prepare("run", insertSponsorTimeQuery, ["not-own-submission-video", 1, 11, 500, 0, "not-own-submission-uuid", getHash("somebody-else-id"), 0, 50, "sponsor", "skip", 0, 0]);
+        await db.prepare("run", insertSponsorTimeQuery, ["incorrect-category", 1, 11, 500, 0, "incorrect-category", getHash("somebody-else-id"), 0, 50, "sponsor", "skip", 0, 0]);
+        await db.prepare("run", insertSponsorTimeQuery, ["incorrect-category-change", 1, 11, 500, 0, "incorrect-category-change", getHash("somebody-else-id"), 0, 50, "sponsor", "skip", 0, 0]);
+        await db.prepare("run", insertSponsorTimeQuery, ["vote-testtesttest", 1, 11, 2, 0, "warnvote-uuid-0", "testman", 0, 50, "sponsor", "skip", 0, 0]);
+        await db.prepare("run", insertSponsorTimeQuery, ["no-sponsor-segments-video", 1, 11, 2, 0, "no-sponsor-segments-uuid-0", "no-sponsor-segments", 0, 50, "sponsor", "skip", 0, 0]);
+        await db.prepare("run", insertSponsorTimeQuery, ["no-sponsor-segments-video", 1, 11, 2, 0, "no-sponsor-segments-uuid-1", "no-sponsor-segments", 0, 50, "intro", "skip", 0, 0]);
+        await db.prepare("run", insertSponsorTimeQuery, ["segment-locking-video", 1, 11, 2, 0, "segment-locking-uuid-1", "segment-locking-user", 0, 50, "intro", "skip", 0, 0]);
+        await db.prepare("run", insertSponsorTimeQuery, ["segment-hidden-video", 1, 11, 2, 0, "segment-hidden-uuid-1", "segment-hidden-user", 0, 50, "intro", "skip", 0, 1]);
+        await db.prepare("run", insertSponsorTimeQuery, ["category-change-test-1", 7, 22, 0, 0, "category-change-uuid-1", categoryChangeUserHash, 0, 50, "intro", "skip", 0, 0]);
+        await db.prepare("run", insertSponsorTimeQuery, ["category-change-test-1", 8, 22, 0, 1, "category-change-uuid-2", categoryChangeUserHash, 0, 50, "intro", "skip", 0, 0]);
+        await db.prepare("run", insertSponsorTimeQuery, ["category-change-test-1", 9, 22, 0, 0, "category-change-uuid-3", categoryChangeUserHash, 0, 50, "intro", "skip", 0, 0]);
+        await db.prepare("run", insertSponsorTimeQuery, ["category-change-test-1", 7, 12, 0, 1, "category-change-uuid-4", categoryChangeUserHash, 0, 50, "intro", "skip", 0, 0]);
+        await db.prepare("run", insertSponsorTimeQuery, ["category-change-test-1", 7, 13, 0, 0, "category-change-uuid-5", categoryChangeUserHash, 0, 50, "intro", "skip", 0, 0]);
+        await db.prepare("run", insertSponsorTimeQuery, ["category-change-test-1", 8, 12, 0, 1, "category-change-uuid-6", categoryChangeUserHash, 0, 50, "intro", "skip", 0, 0]);
+        await db.prepare("run", insertSponsorTimeQuery, ["category-change-test-1", 9, 14, 0, 0, "category-change-uuid-7", categoryChangeUserHash, 0, 50, "intro", "skip", 0, 0]);
+        await db.prepare("run", insertSponsorTimeQuery, ["category-change-test-1", 7, 12, 0, 1, "category-change-uuid-8", categoryChangeUserHash, 0, 50, "intro", "skip", 0, 0]);
+        await db.prepare("run", insertSponsorTimeQuery, ["duration-update", 1, 10, 0, 0, "duration-update-uuid-1", "testman", 0, 0, "intro", "skip", 0, 0]);
+        await db.prepare("run", insertSponsorTimeQuery, ["full-video", 1, 10, 0, 0, "full-video-uuid-1", "testman", 0, 0, "sponsor", "full", 0, 0]);
 
         const insertWarningQuery = 'INSERT INTO "warnings" ("userID", "issueTime", "issuerUserID", "enabled") VALUES(?, ?, ?, ?)';
         await db.prepare("run", insertWarningQuery, [warnUser01Hash, now, warnVip01Hash,  1]);
@@ -414,6 +415,16 @@ describe("voteOnSponsorTime", () => {
             .catch(err => done(err));
     });
 
+    it("Should not be able to category-vote on an a full video segment", (done) => {
+        const UUID = "invalid-uuid";
+        postVoteCategory("full-video-uuid-1", UUID, "selfpromo")
+            .then(res => {
+                assert.strictEqual(res.status, 400);
+                done();
+            })
+            .catch(err => done(err));
+    });
+
     it('Non-VIP should not be able to upvote "dead" submission', (done) => {
         const UUID = "vote-uuid-5";
         postVote(randomID2, UUID, 1)