diff --git a/Userland/Libraries/LibJS/Runtime/Completion.h b/Userland/Libraries/LibJS/Runtime/Completion.h
index 252d5a3be5..9874d42f8e 100644
--- a/Userland/Libraries/LibJS/Runtime/Completion.h
+++ b/Userland/Libraries/LibJS/Runtime/Completion.h
@@ -157,7 +157,7 @@ public:
 };
 
 // 6.2.3.2 NormalCompletion ( value ), https://tc39.es/ecma262/#sec-normalcompletion
-inline Completion normal_completion(Value value)
+inline Completion normal_completion(Optional<Value> value)
 {
     return { Completion::Type::Normal, value, {} };
 }