diff --git a/src/lv_misc/lv_gc.c b/src/lv_misc/lv_gc.c
index 94bf532ac..c192057c7 100644
--- a/src/lv_misc/lv_gc.c
+++ b/src/lv_misc/lv_gc.c
@@ -29,6 +29,9 @@
 /**********************
  *  STATIC VARIABLES
  **********************/
+lv_mem_buf_t _lv_mem_buf[LV_MEM_BUF_MAX_NUM];
+
+
 #if(!defined(LV_ENABLE_GC)) || LV_ENABLE_GC == 0
 LV_ROOTS
 #endif /* LV_ENABLE_GC */
diff --git a/src/lv_misc/lv_gc.h b/src/lv_misc/lv_gc.h
index a706f2c1c..d4ef5a9ac 100644
--- a/src/lv_misc/lv_gc.h
+++ b/src/lv_misc/lv_gc.h
@@ -24,6 +24,7 @@ extern "C" {
  *      DEFINES
  *********************/
 
+extern lv_mem_buf_t _lv_mem_buf[LV_MEM_BUF_MAX_NUM];
 
 #define LV_ITERATE_ROOTS(f) \
     f(lv_ll_t, _lv_task_ll)  /*Linked list to store the lv_tasks*/ \
@@ -36,7 +37,6 @@ extern "C" {
     f(lv_ll_t, _lv_img_defoder_ll)                                 \
     f(lv_img_cache_entry_t*, _lv_img_cache_array)                  \
     f(void*, _lv_task_act)                                         \
-    f(lv_mem_buf_t, _lv_mem_buf[LV_MEM_BUF_MAX_NUM])               \
 
 #define LV_DEFINE_ROOT(root_type, root_name) root_type root_name;
 #define LV_ROOTS LV_ITERATE_ROOTS(LV_DEFINE_ROOT)