diff --git a/subprojects/gst-plugins-bad/gst/videoparsers/gstmpegvideoparse.c b/subprojects/gst-plugins-bad/gst/videoparsers/gstmpegvideoparse.c
index 57a301e586..779b3af895 100644
--- a/subprojects/gst-plugins-bad/gst/videoparsers/gstmpegvideoparse.c
+++ b/subprojects/gst-plugins-bad/gst/videoparsers/gstmpegvideoparse.c
@@ -931,7 +931,7 @@ gst_mpegv_parse_parse_frame (GstBaseParse * parse, GstBaseParseFrame * frame)
 
   if (G_UNLIKELY (mpvparse->pichdr.pic_type == GST_MPEG_VIDEO_PICTURE_TYPE_I))
     GST_BUFFER_FLAG_UNSET (buffer, GST_BUFFER_FLAG_DELTA_UNIT);
-  else
+  else if (mpvparse->pichdr.pic_type != 0)
     GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DELTA_UNIT);
 
   /* maybe only sequence in this buffer, though not recommended,