diff --git a/py/qstrdefs.h b/py/qstrdefs.h
index b95067bbf1..425b6ee107 100644
--- a/py/qstrdefs.h
+++ b/py/qstrdefs.h
@@ -199,7 +199,9 @@ Q(imag)
 Q(dict)
 Q(dir)
 Q(divmod)
+#if MICROPY_PY_BUILTINS_ENUMERATE
 Q(enumerate)
+#endif
 Q(eval)
 Q(exec)
 #if MICROPY_PY_BUILTINS_EXECFILE