diff --git a/libavformat/mov.c b/libavformat/mov.c
index 1e4d0ecb68..197e7de537 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -19,7 +19,7 @@
 
 #include <limits.h>
 
-#define DEBUG
+//#define DEBUG
 
 #include "avformat.h"
 #include "avi.h"