diff --git a/ChangeLog b/ChangeLog
index 899edf3b85..d86de6b617 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2007-03-14  Tim-Philipp Müller  <tim at centricular dot net>
+
+	* configure.ac:
+	  Fix string replace error (AG_AG_GST_* => AG_GST_*).
+
 2007-03-12  Tim-Philipp Müller  <tim at centricular dot net>
 
 	* gst/apetag/gsttagdemux.c: (gst_tag_demux_srcpad_event):
diff --git a/configure.ac b/configure.ac
index d642ece632..88caa8d1e1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -428,7 +428,7 @@ return 0;
     fi
 
     dnl check for XOverlay libraries
-    AG_AG_GST_CHECK_XV
+    AG_GST_CHECK_XV
   fi
 ])
 
@@ -511,7 +511,7 @@ dnl for V4L2, we also need to know if we have XVIDEO
 translit(dnm, m, l) AM_CONDITIONAL(USE_XVIDEO, true)
 AG_GST_CHECK_FEATURE(XVIDEO, [X11 XVideo extensions],
                   [], [
-  AG_AG_GST_CHECK_XV
+  AG_GST_CHECK_XV
 ])
 
 dnl *** ext plug-ins ***