diff --git a/common/src/pwrbuffer.c b/common/src/pwrbuffer.c
index 0bf429399221dc7591fdc183bc701e290aa4799e..fcc7688bf9ef0911b3f02ec9a68c7d1764d1b7ba 100644
--- a/common/src/pwrbuffer.c
+++ b/common/src/pwrbuffer.c
@@ -139,6 +139,8 @@ void ReleaseResultWaitingMsgNode(ResultWaitingMsgNode *node)
     pthread_cond_destroy((pthread_cond_t *)&(node->waitCond));
     pthread_mutex_unlock((pthread_mutex_t *)&(node->waitMutex));
     pthread_mutex_destroy((pthread_mutex_t *)&(node->waitMutex));
+    free(node);
+    node = NULL;
 }
 
 void InitResultWaitingList(ResultWaitingMsgList *rwm)