diff --git a/src/lib/submissionChangeDetection.ts b/src/lib/submissionChangeDetection.ts
index 434baf33..f331c46f 100644
--- a/src/lib/submissionChangeDetection.ts
+++ b/src/lib/submissionChangeDetection.ts
@@ -48,21 +48,21 @@ async function detectPhotoChanges(submissionId: string): Promise<PhotoChange[]>
   const changes: PhotoChange[] = [];
   
   try {
-    // Fetch photo submission with items
-    const { data: photoSubmission, error } = await supabase
+    // Fetch photo submission with items - use array query to avoid 406 errors
+    const { data: photoSubmissions, error } = await supabase
       .from('photo_submissions')
       .select(`
         *,
         items:photo_submission_items(*)
       `)
-      .eq('submission_id', submissionId)
-      .maybeSingle();
+      .eq('submission_id', submissionId);
 
     if (error) {
       console.error('Error fetching photo submissions:', error);
       return changes;
     }
 
+    const photoSubmission = photoSubmissions?.[0];
     if (photoSubmission?.items && photoSubmission.items.length > 0) {
       // For now, treat all photos as additions
       // TODO: Implement edit/delete detection by comparing with existing entity photos