diff --git a/update-cursor.sh b/update-cursor.sh
index 2cf913f..080460b 100755
--- a/update-cursor.sh
+++ b/update-cursor.sh
@@ -103,12 +103,16 @@ main() {
     # Check if update is needed
     if [[ "$target_version" == "$current_version" ]]; then
         echo "No update needed. Current version is up to date."
-        echo "CURSOR_VERSION_INFO=no_update" >> "$GITHUB_OUTPUT" 2>/dev/null || true
+        if [[ -n "${GITHUB_OUTPUT:-}" ]]; then
+            echo "CURSOR_VERSION_INFO=no_update" >> "$GITHUB_OUTPUT"
+        fi
         exit 0
     fi
     
     echo "Update needed: $current_version -> $target_version"
-    echo "CURSOR_VERSION_INFO=updated:$current_version:$target_version" >> "$GITHUB_OUTPUT" 2>/dev/null || true
+    if [[ -n "${GITHUB_OUTPUT:-}" ]]; then
+        echo "CURSOR_VERSION_INFO=updated:$current_version:$target_version" >> "$GITHUB_OUTPUT"
+    fi
     
     # Check if running in CI/GitHub Actions (auto-confirm)
     if [[ -n "${CI:-}" ]] || [[ -n "${GITHUB_ACTIONS:-}" ]]; then
@@ -123,7 +127,9 @@ main() {
         update_flake "$target_version"
         test_flake
         echo "Update completed successfully!"
-        echo "CURSOR_VERSION_INFO=completed:$current_version:$target_version" >> "$GITHUB_OUTPUT" 2>/dev/null || true
+        if [[ -n "${GITHUB_OUTPUT:-}" ]]; then
+            echo "CURSOR_VERSION_INFO=completed:$current_version:$target_version" >> "$GITHUB_OUTPUT"
+        fi
         echo "You can now commit the changes:"
         echo "  git add flake.nix"
         echo "  git commit -m \"Update Cursor to version $target_version\""