diff --git a/apps/frontend/src/main/app-updater.ts b/apps/frontend/src/main/app-updater.ts
index d38b7115..a86fd5c4 100644
--- a/apps/frontend/src/main/app-updater.ts
+++ b/apps/frontend/src/main/app-updater.ts
@@ -62,8 +62,13 @@ function formatReleaseNotes(releaseNotes: UpdateInfo['releaseNotes']): string |
   // It's an array of ReleaseNoteInfo objects
   // Format: [{ version: "1.0.0", note: "changes..." }, ...]
   if (Array.isArray(releaseNotes)) {
+    // Return undefined for empty arrays for consistency with null/undefined handling
+    if (releaseNotes.length === 0) {
+      return undefined;
+    }
+
     const formattedNotes = releaseNotes
-      .filter(item => item.note) // Only include entries with notes
+      .filter(item => item.note) // Filter out entries with null/undefined notes
       .map(item => {
         // Each item has version and note properties
         const versionHeader = item.version ? `## ${item.version}\n` : '';