diff --git a/gst/Makefile.am b/gst/Makefile.am
index e80cc4caa8..8bcb9a109f 100644
--- a/gst/Makefile.am
+++ b/gst/Makefile.am
@@ -248,6 +248,7 @@ Gst-@GST_MAJORMINOR@.gir: $(INTROSPECTION_SCANNER) libgstreamer-@GST_MAJORMINOR@
 		--nsversion=@GST_MAJORMINOR@ \
 		-I$(top_srcdir) \
 		-I$(top_builddir) \
+		-DIN_GOBJECT_INTROSPECTION=1 \
 		--c-include='gst/gst.h' \
 		--library=gstreamer-0.10 \
 		--include=GLib-2.0 \
diff --git a/gst/gsttaglist.h b/gst/gsttaglist.h
index 459cf3b802..28a2c1119a 100644
--- a/gst/gsttaglist.h
+++ b/gst/gsttaglist.h
@@ -150,7 +150,12 @@ typedef enum {
  *
  * Opaque #GstTagList data structure.
  */
+#ifdef IN_GOBJECT_INTROSPECTION
+typedef struct _GstTagList GstTagList;
+#else
 typedef GstStructure GstTagList;
+#endif
+
 #define GST_TAG_LIST(x)       ((GstTagList *) (x))
 #define GST_IS_TAG_LIST(x)    ((x) != NULL && gst_is_tag_list (GST_TAG_LIST (x)))
 #define GST_TYPE_TAG_LIST     (gst_tag_list_get_type ())