diff --git a/ChangeLog b/ChangeLog
index 8a5bfbc6eb..5dae0d069b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2005-05-06  Christian Schaller  <uraeus@gnome.org>
+
+	* configure.ac: add gst-plugins-libs
+
 2005-05-06  Wim Taymans  <wim@fluendo.com>
 
 	* configure.ac:
diff --git a/configure.ac b/configure.ac
index 9ce7b32143..d3d973813a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -253,6 +253,16 @@ fi
 
 AC_SUBST(GST_INTERFACES_LIBS)
 
+dnl check for gstreamer-interfaces; uinstalled is selected preferentially
+PKG_CHECK_MODULES(GST_PLUGINS_LIBS, gstreamer-libs-$GST_MAJORMINOR >= $GST_REQ,
+  HAVE_GST_PLUGINS="yes", HAVE_GST_PLUGINS="no")
+
+if test "x$HAVE_GST_PLUGINS" = "xno"; then
+  AC_MSG_ERROR(no GStreamer Plugins Libs found)
+fi
+
+AC_SUBST(GST_PLUGINS_LIBS)
+
 
 dnl Determine endianness
 AC_C_BIGENDIAN