diff --git a/src/routes/postSkipSegments.ts b/src/routes/postSkipSegments.ts
index 09e3654..12ff3f0 100644
--- a/src/routes/postSkipSegments.ts
+++ b/src/routes/postSkipSegments.ts
@@ -302,7 +302,7 @@ async function checkUserActiveWarning(userID: string): Promise<CheckResult> {
 function checkInvalidFields(videoID: VideoID, userID: UserID, segments: IncomingSegment[]): CheckResult {
     const invalidFields = [];
     const errors = [];
-    if (typeof videoID !== "string") {
+    if (typeof videoID !== "string" || videoID?.length == 0) {
         invalidFields.push("videoID");
     }
     if (typeof userID !== "string" || userID?.length < 30) {
diff --git a/test/cases/postSkipSegments.ts b/test/cases/postSkipSegments.ts
index 6d849d7..c891e51 100644
--- a/test/cases/postSkipSegments.ts
+++ b/test/cases/postSkipSegments.ts
@@ -1084,4 +1084,20 @@ describe("postSkipSegments", () => {
             })
             .catch(err => done(err));
     });
+
+    it("Should return 400 if videoID is empty", (done) => {
+        const videoID = null as string;
+        postSkipSegmentParam({
+            videoID,
+            startTime: 1,
+            endTime: 5,
+            category: "sponsor",
+            userID: submitUserTwo
+        })
+            .then(res => {
+                assert.strictEqual(res.status, 400);
+                done();
+            })
+            .catch(err => done(err));
+    });
 });