diff --git a/gst/audioparsers/gstac3parse.c b/gst/audioparsers/gstac3parse.c
index ca1018abcf..4d1efa62e1 100644
--- a/gst/audioparsers/gstac3parse.c
+++ b/gst/audioparsers/gstac3parse.c
@@ -397,7 +397,7 @@ gst_ac3_parse_check_valid_frame (GstBaseParse * parse, GstBuffer * buf,
 
   /* didn't find anything that looks like a sync word, skip */
   if (off < 0) {
-    *skipsize = GST_BUFFER_SIZE (buf) - 2;
+    *skipsize = GST_BUFFER_SIZE (buf) - 3;
     return FALSE;
   }