diff --git a/packages/repl/src/lib/Repl.svelte b/packages/repl/src/lib/Repl.svelte
index f58542cbab..4565c80f82 100644
--- a/packages/repl/src/lib/Repl.svelte
+++ b/packages/repl/src/lib/Repl.svelte
@@ -197,7 +197,7 @@
 	});
 
 	$effect(() => {
-		if (bundler.result?.error) {
+		if (bundler?.result?.error) {
 			onerror?.(bundler.result.error as Error);
 		}
 	});