diff --git a/py/objint.c b/py/objint.c
index 2aaf267..51d3b7e 100644
--- a/py/objint.c
+++ b/py/objint.c
@@ -39,7 +39,7 @@
         }
 
         default:
-            nlr_jump(mp_obj_new_exception_msg_1_arg(MP_QSTR_TypeError, "int takes at most 2 arguments, %d given", (void*)(machine_int_t)n_args));
+            nlr_jump(mp_obj_new_exception_msg_varg(MP_QSTR_TypeError, "int takes at most 2 arguments, %d given", n_args));
     }
 }