--- a/QTfrontend/util/LibavInteraction.cpp	Mon Sep 26 23:36:00 2016 -0400
+++ b/QTfrontend/util/LibavInteraction.cpp	Sat Oct 01 16:45:59 2016 +0200
@@ -18,7 +18,7 @@
 
 #include "LibavInteraction.h"
 
-#if VIDEOREC
+#ifdef VIDEOREC
 extern "C"
 {
 #include "libavcodec/avcodec.h"