diff --git a/lv_objx/lv_list.h b/lv_objx/lv_list.h
index 74026a7e3..b79491b47 100644
--- a/lv_objx/lv_list.h
+++ b/lv_objx/lv_list.h
@@ -57,6 +57,7 @@ typedef struct
     lv_style_t *styles_btn[LV_BTN_STATE_NUM];    /*Styles of the list element buttons*/
     lv_style_t *style_img;                       /*Style of the list element images on buttons*/
     uint32_t size; /*the number of items(buttons) in the list*/
+    bool single_selected_mode; /* whether single selected mode is enabled */
 #if USE_LV_GROUP
     lv_obj_t * last_sel;                          /* Last btn selected */
     lv_obj_t * selected_btn;