diff --git a/components/bt/porting/npl/freertos/src/npl_os_freertos.c b/components/bt/porting/npl/freertos/src/npl_os_freertos.c
index 9e5c9863c3..73f425262f 100644
--- a/components/bt/porting/npl/freertos/src/npl_os_freertos.c
+++ b/components/bt/porting/npl/freertos/src/npl_os_freertos.c
@@ -110,7 +110,9 @@ IRAM_ATTR npl_freertos_event_init(struct ble_npl_event *ev, ble_npl_event_fn *fn
 void
 IRAM_ATTR npl_freertos_event_deinit(struct ble_npl_event *ev)
 {
-    BLE_LL_ASSERT(ev->event);
+    if (!ev->event) {
+        return;
+    }
 #if OS_MEM_ALLOC
     os_memblock_put(&ble_freertos_ev_pool,ev->event);
 #else