diff --git a/libavcodec/mpeg4audio.h b/libavcodec/mpeg4audio.h
index a3d37247f7..8239081747 100644
--- a/libavcodec/mpeg4audio.h
+++ b/libavcodec/mpeg4audio.h
@@ -102,7 +102,7 @@ enum AudioObjectType {
     AOT_USAC,                  ///< N                       Unified Speech and Audio Coding
 };
 
-#define MAX_PCE_SIZE 304 ///<Maximum size of a PCE including the 3-bit ID_PCE
+#define MAX_PCE_SIZE 320 ///<Maximum size of a PCE including the 3-bit ID_PCE
                          ///<marker and the comment
 
 int avpriv_copy_pce_data(PutBitContext *pb, GetBitContext *gb);