diff --git a/src/lv_misc/lv_ll.h b/src/lv_misc/lv_ll.h
index 2c02eb480..03b3cdf3d 100644
--- a/src/lv_misc/lv_ll.h
+++ b/src/lv_misc/lv_ll.h
@@ -131,6 +131,14 @@ void * lv_ll_get_prev(const lv_ll_t * ll_p, const void * n_act);
  */
 uint32_t lv_ll_get_len(const lv_ll_t * ll_p);
 
+/**
+ * TODO
+ * @param ll_p
+ * @param n1_p
+ * @param n2_p
+ */
+void lv_ll_swap(lv_ll_t * ll_p, void * n1_p, void * n2_p);
+
 /**
  * Move a nodw before an other node in the same linked list
  * @param ll_p pointer to a linked list
diff --git a/src/lv_objx/lv_label.c b/src/lv_objx/lv_label.c
index 3a1f92663..a9073ca00 100644
--- a/src/lv_objx/lv_label.c
+++ b/src/lv_objx/lv_label.c
@@ -905,7 +905,7 @@ void lv_label_ins_text(lv_obj_t * label, uint32_t pos, const char * txt)
     }
 
 #if LV_USE_BIDI
-    char * bidi_buf = lv_mem_alloc(ins_len) + 1;
+    char * bidi_buf = lv_mem_alloc(ins_len + 1);
     LV_ASSERT_MEM(bidi_buf);
     if(bidi_buf == NULL) return;