diff --git a/src/zapit/src/femanager.cpp b/src/zapit/src/femanager.cpp
index fd74bc3e4..d152438c6 100644
--- a/src/zapit/src/femanager.cpp
+++ b/src/zapit/src/femanager.cpp
@@ -640,7 +640,8 @@ CFrontend * CFEManager::allocateFE(CZapitChannel * channel, bool forrecord)
 #else
 		channel->setRecordDemux(frontend->fenumber+1);
 		channel->setPipDemux(frontend->fenumber+1);
-		cDemux::SetSource(frontend->fenumber+1, frontend->fenumber);
+		if(femap.size() > 1)
+			cDemux::SetSource(frontend->fenumber+1, frontend->fenumber);
 #ifdef ENABLE_PIP
 		/* FIXME until proper demux management */
 		if (enabled_count < 4) {
diff --git a/src/zapit/src/zapit.cpp b/src/zapit/src/zapit.cpp
index fdc7302fc..e613cac85 100644
--- a/src/zapit/src/zapit.cpp
+++ b/src/zapit/src/zapit.cpp
@@ -627,7 +627,8 @@ bool CZapit::StartPip(const t_channel_id channel_id)
 		pipDemux->Open(DMX_PIP_CHANNEL);
 		pipDecoder->SetDemux(pipDemux);
 	}
-	cDemux::SetSource(dnum, pip_fe->getNumber());
+	if (CFEManager::getInstance()->getFrontendCount() > 1)
+		cDemux::SetSource(dnum, pip_fe->getNumber());
 #if 0
 	pipDecoder->SetSyncMode(AVSYNC_DISABLED);
 	pipDemux->SetSyncMode(AVSYNC_DISABLED);