diff --git a/gst-libs/gst/video/video-anc.c b/gst-libs/gst/video/video-anc.c
index eb1c18681d..32d075ee1f 100644
--- a/gst-libs/gst/video/video-anc.c
+++ b/gst-libs/gst/video/video-anc.c
@@ -458,8 +458,9 @@ gst_video_caption_meta_init (GstMeta * meta, gpointer params,
 {
   GstVideoCaptionMeta *emeta = (GstVideoCaptionMeta *) meta;
 
-  memset (emeta, 0, sizeof (GstVideoCaptionMeta));
   emeta->caption_type = GST_VIDEO_CAPTION_TYPE_UNKNOWN;
+  emeta->data = NULL;
+  emeta->size = 0;
 
   return TRUE;
 }