1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/matroska.h b/libavformat/matroska.h
index 26f4666fd9..35c618ba53 100644
--- a/libavformat/matroska.h
+++ b/libavformat/matroska.h
@@ -210,7 +210,7 @@ typedef enum {
  */
 
 typedef struct CodecTags{
-    char str[16];
+    char str[20];
     enum CodecID id;
 }CodecTags;