diff --git a/src/content.ts b/src/content.ts
index 7ea47e63..afe19ccf 100644
--- a/src/content.ts
+++ b/src/content.ts
@@ -276,7 +276,7 @@ function messageListener(request: Message, sender: unknown, sendResponse: (respo
             const importedSegments = importTimes(request.data, video.duration);
             let addedSegments = false;
             for (const segment of importedSegments) {
-                if (!sponsorTimesSubmitting.concat(sponsorTimes ?? []).some(
+                if (!sponsorTimesSubmitting.some(
                         (s) => Math.abs(s.segment[0] - segment.segment[0]) < 1
                             && Math.abs(s.segment[1] - segment.segment[1]) < 1)
                         && (segment.category !== "chapter" || utils.getCategorySelection("chapter"))) {