1 files changed, 1 insertions, 1 deletions
diff --git a/py/objtuple.h b/py/objtuple.h
index cabe63f80f..b1e02e422d 100644
--- a/py/objtuple.h
+++ b/py/objtuple.h
@@ -26,7 +26,7 @@
 
 typedef struct _mp_obj_tuple_t {
     mp_obj_base_t base;
-    machine_uint_t len;
+    mp_uint_t len;
     mp_obj_t items[];
 } mp_obj_tuple_t;