diff --git a/src/tmqh-packetpool.c b/src/tmqh-packetpool.c
index 1f7f5bd248..1f0a3ec7b9 100644
--- a/src/tmqh-packetpool.c
+++ b/src/tmqh-packetpool.c
@@ -151,7 +151,7 @@ void PacketPoolWait(void)
     PktPool *my_pool = GetThreadPacketPool();
 
     while(PacketPoolIsEmpty(my_pool))
-        ;
+        cc_barrier();
 }
 
 /** \brief a initialized packet