diff --git a/src/components/DesignCanvas.tsx b/src/components/DesignCanvas.tsx
index 7be19f7..6610e31 100644
--- a/src/components/DesignCanvas.tsx
+++ b/src/components/DesignCanvas.tsx
@@ -1614,7 +1614,7 @@ export default function DesignCanvas({
               </button>
             ) : isAdminEditing ? (
               <button
-                onClick={() => handleSendToCustomerForReview(params?.id || '')}
+                onClick={() => handleSendToCustomerForReview(designId || '')}
                 disabled={submittingForApproval}
                 className={`flex-1 px-6 py-3 text-sm font-medium transition-colors ${
                   submittingForApproval