2 files changed, 2 insertions, 2 deletions
diff --git a/qemu-arm/main.c b/qemu-arm/main.c
index e0f9a10ae6..f295475234 100644
--- a/qemu-arm/main.c
+++ b/qemu-arm/main.c
@@ -52,7 +52,7 @@ mp_import_stat_t mp_import_stat(const char *path) {
     return MP_IMPORT_STAT_NO_EXIST;
 }
 
-mp_obj_t mp_builtin_open(mp_uint_t n_args, const mp_obj_t *args, mp_map_t *kwargs) {
+mp_obj_t mp_builtin_open(size_t n_args, const mp_obj_t *args, mp_map_t *kwargs) {
     return mp_const_none;
 }
 MP_DEFINE_CONST_FUN_OBJ_KW(mp_builtin_open_obj, 1, mp_builtin_open);
diff --git a/qemu-arm/test_main.c b/qemu-arm/test_main.c
index f678946d49..a98e275cee 100644
--- a/qemu-arm/test_main.c
+++ b/qemu-arm/test_main.c
@@ -82,7 +82,7 @@ mp_import_stat_t mp_import_stat(const char *path) {
     return MP_IMPORT_STAT_NO_EXIST;
 }
 
-mp_obj_t mp_builtin_open(mp_uint_t n_args, const mp_obj_t *args, mp_map_t *kwargs) {
+mp_obj_t mp_builtin_open(size_t n_args, const mp_obj_t *args, mp_map_t *kwargs) {
     return mp_const_none;
 }
 MP_DEFINE_CONST_FUN_OBJ_KW(mp_builtin_open_obj, 1, mp_builtin_open);