diff --git a/examples/layouts/flex/lv_example_flex_1.c b/examples/layouts/flex/lv_example_flex_1.c
index 6363d37e6d..94cfe25e37 100644
--- a/examples/layouts/flex/lv_example_flex_1.c
+++ b/examples/layouts/flex/lv_example_flex_1.c
@@ -28,7 +28,7 @@ void lv_example_flex_1(void)
         lv_obj_set_size(obj, 100, LV_PCT(100));
 
         label = lv_label_create(obj);
-        lv_label_set_text_fmt(label, "Item: %u", i);
+        lv_label_set_text_fmt(label, "Item: %"LV_PRIu32, i);
         lv_obj_center(label);
 
         /*Add items to the column*/
diff --git a/examples/widgets/menu/lv_example_menu_4.c b/examples/widgets/menu/lv_example_menu_4.c
index 5807e5d957..7c96db5e51 100644
--- a/examples/widgets/menu/lv_example_menu_4.c
+++ b/examples/widgets/menu/lv_example_menu_4.c
@@ -18,11 +18,11 @@ static void float_btn_event_cb(lv_event_t * e)
 
     cont = lv_menu_cont_create(sub_page);
     label = lv_label_create(cont);
-    lv_label_set_text_fmt(label, "Hello, I am hiding inside %i", btn_cnt);
+    lv_label_set_text_fmt(label, "Hello, I am hiding inside %"LV_PRIu32, btn_cnt);
 
     cont = lv_menu_cont_create(main_page);
     label = lv_label_create(cont);
-    lv_label_set_text_fmt(label, "Item %i", btn_cnt);
+    lv_label_set_text_fmt(label, "Item %"LV_PRIu32, btn_cnt);
     lv_menu_set_load_page_event(menu, cont, sub_page);
 
     lv_obj_scroll_to_view_recursive(cont, LV_ANIM_ON);