diff --git a/subprojects/gst-plugins-bad/gst-libs/gst/codecparsers/gsth264parser.c b/subprojects/gst-plugins-bad/gst-libs/gst/codecparsers/gsth264parser.c
index b9bd6c3ee5..278e4763ce 100644
--- a/subprojects/gst-plugins-bad/gst-libs/gst/codecparsers/gsth264parser.c
+++ b/subprojects/gst-plugins-bad/gst-libs/gst/codecparsers/gsth264parser.c
@@ -1407,6 +1407,7 @@ gst_h264_parser_parse_sei_message (GstH264NalParser * nalparser,
 
 error:
   GST_WARNING ("error parsing \"Sei message\"");
+  gst_h264_sei_clear (sei);
   return GST_H264_PARSER_ERROR;
 }