diff --git a/components/bt/controller/esp32c2/bt.c b/components/bt/controller/esp32c2/bt.c
index 1fbef1f143..7715712b3f 100644
--- a/components/bt/controller/esp32c2/bt.c
+++ b/components/bt/controller/esp32c2/bt.c
@@ -575,7 +575,7 @@ struct ext_funcs_t ext_funcs_ro = {
     ._esp_intr_alloc = esp_intr_alloc_wrapper,
     ._esp_intr_free = esp_intr_free_wrapper,
     ._malloc = bt_osi_mem_malloc_internal,
-    ._free = bt_osi_mem_free,
+    ._free = bt_osi_mem_free_internal,
     ._task_create = task_create_wrapper,
     ._task_delete = task_delete_wrapper,
     ._osi_assert = osi_assert_wrapper,