diff --git a/libgeneric-pc/playback.cpp b/libgeneric-pc/playback.cpp
index 0f26780..2f5c44a 100644
--- a/libgeneric-pc/playback.cpp
+++ b/libgeneric-pc/playback.cpp
@@ -18,7 +18,7 @@ bool cPlayback::Start(std::string filename, std::string headers)
 	return Start((char*) filename.c_str(),0,0,0,0,0, headers);
 }
 
-bool cPlayback::Start(char *filename, int vpid, int vtype, int apid, int ac3, int duration, std::string headers)
+bool cPlayback::Start(char *filename, int vpid, int vtype, int apid, int ac3, int duration, std::string /*headers*/)
 {
 	printf("%s:%s - filename=%s vpid=%u vtype=%d apid=%u ac3=%d duration=%i\n",
 		FILENAME, __func__, filename, vpid, vtype, apid, ac3, duration);