diff --git a/components/bt/bluedroid/bta/gatt/bta_gattc_utils.c b/components/bt/bluedroid/bta/gatt/bta_gattc_utils.c
index 676ed851ac..70655fd944 100644
--- a/components/bt/bluedroid/bta/gatt/bta_gattc_utils.c
+++ b/components/bt/bluedroid/bta/gatt/bta_gattc_utils.c
@@ -312,6 +312,7 @@ void bta_gattc_clcb_dealloc(tBTA_GATTC_CLCB *p_clcb)
         // don't forget to clear the command queue before dealloc the clcb.
         list_clear(p_clcb->p_cmd_list);
         osi_free((void *)p_clcb->p_cmd_list);
+        p_clcb->p_cmd_list = NULL;
         //osi_free_and_reset((void **)&p_clcb->p_q_cmd);
         memset(p_clcb, 0, sizeof(tBTA_GATTC_CLCB));
     } else {