diff --git a/docs/plugins/Makefile.am b/docs/plugins/Makefile.am
index 9beea7e55f..c987b85bf3 100644
--- a/docs/plugins/Makefile.am
+++ b/docs/plugins/Makefile.am
@@ -48,7 +48,8 @@ SCAN_OPTIONS=
 MKDB_OPTIONS=--sgml-mode
 
 # Extra options to supply to gtkdoc-fixref.
-FIXXREF_OPTIONS=--extra-dir=$(GLIB_PREFIX)/share/gtk-doc/html \
+FIXXREF_OPTIONS=--extra-dir=$(top_builddir)/docs/libs/html \
+	--extra-dir=$(GLIB_PREFIX)/share/gtk-doc/html \
 	--extra-dir=$(GST_PREFIX)/share/gtk-doc/html \
 	--extra-dir=$(datadir)/gtk-doc/html