diff --git a/source/quickjs.c b/source/quickjs.c
index 3870d7b5..24e5e112 100644
--- a/source/quickjs.c
+++ b/source/quickjs.c
@@ -2008,6 +2008,8 @@ static JSValue js_call_c_function (JSContext *ctx, JSValue func_obj, JSValue thi
 static JSValue js_call_bound_function (JSContext *ctx, JSValue func_obj, JSValue this_obj, int argc, JSValue *argv);
 static JSValue JS_CallInternal (JSContext *ctx, JSValue func_obj, JSValue this_obj, int argc, JSValue *argv, int flags);
 static JSValue JS_CallRegisterVM(JSContext *ctx, JSCodeRegister *code, JSValue this_obj, int argc, JSValue *argv, JSValue env, JSValue outer_frame);
+static JSValue mcode_exec(JSContext *ctx, JSMCode *code, JSValue this_obj,
+                          int argc, JSValue *argv, JSValue outer_frame);
 int JS_DeleteProperty (JSContext *ctx, JSValue obj, JSValue prop);
 JSValue __attribute__ ((format (printf, 2, 3)))
 JS_ThrowInternalError (JSContext *ctx, const char *fmt, ...);
@@ -6733,6 +6735,8 @@ static JSValue JS_CallInternal (JSContext *caller_ctx, JSValue func_obj, JSValue
     return js_call_c_function (caller_ctx, func_obj, this_obj, argc, (JSValue *)argv);
   case JS_FUNC_KIND_BYTECODE:
     break; /* continue to bytecode execution below */
+  case JS_FUNC_KIND_MCODE:
+    return mcode_exec(caller_ctx, f->u.mcode.code, this_obj, argc, (JSValue *)argv, f->u.mcode.outer_frame);
   default:
     goto not_a_function;
   }