diff --git a/ports/gprs_a9/moduos.c b/ports/gprs_a9/moduos.c
index 7230aef168a2..faf3a85ca1f4 100644
--- a/ports/gprs_a9/moduos.c
+++ b/ports/gprs_a9/moduos.c
@@ -337,7 +337,7 @@ mp_obj_t moduos_internal_flash_stat(mp_obj_t path_in) {
     // ========================================
     const char* path = mp_obj_str_get_str(path_in);
     // check if folder
-    int32_t size = 0;
+    int64_t size = 0;
     Dir_t* folder = NULL;
     mp_int_t mode = 0;
     int32_t fd = NULL;
@@ -347,8 +347,8 @@ mp_obj_t moduos_internal_flash_stat(mp_obj_t path_in) {
         mode = MP_S_IFDIR;
 
     } else if ((fd = API_FS_Open(path, FS_O_RDONLY, 0)) >= 0) {
-        API_FS_Close(fd);
         size = API_FS_GetFileSize(fd);
+        API_FS_Close(fd);
         mode = MP_S_IFREG;
 
     } else
@@ -361,7 +361,7 @@ mp_obj_t moduos_internal_flash_stat(mp_obj_t path_in) {
         MP_OBJ_NEW_SMALL_INT(0),
         MP_OBJ_NEW_SMALL_INT(0),
         MP_OBJ_NEW_SMALL_INT(0),
-        mp_obj_new_int(size),
+        mp_obj_new_int_from_uint(size),
         MP_OBJ_NEW_SMALL_INT(0x2821),
         MP_OBJ_NEW_SMALL_INT(0x2821),
         MP_OBJ_NEW_SMALL_INT(0x2821),