diff --git a/gst-libs/gst/mpegts/gstmpegtsdescriptor.h b/gst-libs/gst/mpegts/gstmpegtsdescriptor.h
index 698d442f12..73c7e0340f 100644
--- a/gst-libs/gst/mpegts/gstmpegtsdescriptor.h
+++ b/gst-libs/gst/mpegts/gstmpegtsdescriptor.h
@@ -255,6 +255,10 @@ struct _GstMpegtsDescriptor
   guint8 tag_extension;
   guint8 length;
   guint8 *data;
+
+  /*< private >*/
+  /* Padding for future extension */
+  gpointer _gst_reserved[GST_PADDING];
 };
 
 void       gst_mpegts_descriptor_free (GstMpegtsDescriptor *desc);
diff --git a/gst-libs/gst/mpegts/gstmpegtssection.h b/gst-libs/gst/mpegts/gstmpegtssection.h
index 33693967d9..033c544d64 100644
--- a/gst-libs/gst/mpegts/gstmpegtssection.h
+++ b/gst-libs/gst/mpegts/gstmpegtssection.h
@@ -171,6 +171,9 @@ struct _GstMpegtsSection
    * sections to that people can create private short sections ? */
   gboolean      short_section;
   GstMpegtsPacketizeFunc packetizer;
+
+  /* Padding for future extension */
+  gpointer _gst_reserved[GST_PADDING];
 };
 
 GBytes *gst_mpegts_section_get_data (GstMpegtsSection *section);