diff --git a/libavutil/log.c b/libavutil/log.c
index db62d70e31..9c13d4d1a4 100644
--- a/libavutil/log.c
+++ b/libavutil/log.c
@@ -40,7 +40,7 @@ int av_log_level = AV_LOG_INFO;
 #undef fprintf
 static void colored_fputs(int color, const char *str){
     if(isatty(2)){
-        fprintf(stderr, "\033[%dm\033[3%dm", color>>4, color&15);
+        fprintf(stderr, "\033[%d;3%dm", color>>4, color&15);
     }
     fputs(str, stderr);
     if(isatty(2)){