diff --git a/src/thread/pipipelinethread.h b/src/thread/pipipelinethread.h
index 354ab277..10b33291 100644
--- a/src/thread/pipipelinethread.h
+++ b/src/thread/pipipelinethread.h
@@ -45,7 +45,7 @@ public:
 		CONNECT2(void, Tout, bool *, this, calculated, next, enqueue)
 	}
 	EVENT2(calculated, const Tout &, v, bool *, overload)
-	EVENT_HANDLER1(void, enqueue, const Tin &, v) {enqueue(v, 0);}
+	void enqueue(const Tin &v) {enqueue(v, 0);}
 	EVENT_HANDLER2(void, enqueue, const Tin &, v, bool *, overload) {
 		mutex.lock();
 //		piCout << "enque" << max_size << in.size();