diff --git a/Userland/Libraries/LibJS/Runtime/ECMAScriptFunctionObject.cpp b/Userland/Libraries/LibJS/Runtime/ECMAScriptFunctionObject.cpp
index ca01587bd7..944a8e08f5 100644
--- a/Userland/Libraries/LibJS/Runtime/ECMAScriptFunctionObject.cpp
+++ b/Userland/Libraries/LibJS/Runtime/ECMAScriptFunctionObject.cpp
@@ -479,7 +479,7 @@ ThrowCompletionOr<void> ECMAScriptFunctionObject::function_declaration_instantia
                 Environment* used_environment = has_duplicates ? nullptr : environment;
 
                 if constexpr (IsSame<NonnullRefPtr<Identifier const> const&, decltype(param)>) {
-                    if ((vm.bytecode_interpreter_if_exists() || kind() == FunctionKind::Generator) && param->is_local()) {
+                    if ((vm.bytecode_interpreter_if_exists() || kind() == FunctionKind::Generator || kind() == FunctionKind::AsyncGenerator) && param->is_local()) {
                         // NOTE: Local variables are supported only in bytecode interpreter
                         callee_context.local_variables[param->local_variable_index()] = argument_value;
                         return {};
@@ -616,7 +616,7 @@ ThrowCompletionOr<void> ECMAScriptFunctionObject::function_declaration_instantia
     auto private_environment = callee_context.private_environment;
     for (auto& declaration : functions_to_initialize) {
         auto function = ECMAScriptFunctionObject::create(realm, declaration.name(), declaration.source_text(), declaration.body(), declaration.parameters(), declaration.function_length(), declaration.local_variables_names(), lex_environment, private_environment, declaration.kind(), declaration.is_strict_mode(), declaration.might_need_arguments_object(), declaration.contains_direct_call_to_eval());
-        if ((vm.bytecode_interpreter_if_exists() || kind() == FunctionKind::Generator) && declaration.name_identifier()->is_local()) {
+        if ((vm.bytecode_interpreter_if_exists() || kind() == FunctionKind::Generator || kind() == FunctionKind::AsyncGenerator) && declaration.name_identifier()->is_local()) {
             callee_context.local_variables[declaration.name_identifier()->local_variable_index()] = function;
         } else {
             MUST(var_environment->set_mutable_binding(vm, declaration.name(), function, false));