diff --git a/examples/widgets/roller/lv_example_roller_3.c b/examples/widgets/roller/lv_example_roller_3.c
index 27e616632..beb114bc2 100644
--- a/examples/widgets/roller/lv_example_roller_3.c
+++ b/examples/widgets/roller/lv_example_roller_3.c
@@ -41,10 +41,10 @@ static void mask_event_cb(lv_event_t * e)
     } else if (code == LV_EVENT_DRAW_POST_END) {
         lv_draw_mask_fade_param_t * fade_mask_top = lv_draw_mask_remove_id(mask_top_id);
         lv_draw_mask_fade_param_t * fade_mask_bottom = lv_draw_mask_remove_id(mask_bottom_id);
+        lv_draw_mask_free_param(fade_mask_top);
+        lv_draw_mask_free_param(fade_mask_bottom);
         lv_mem_buf_release(fade_mask_top);
         lv_mem_buf_release(fade_mask_bottom);
-        lv_draw_mask_free_param(&fade_mask_top);
-        lv_draw_mask_free_param(&fade_mask_bottom);
         mask_top_id = -1;
         mask_bottom_id = -1;
     }