diff --git a/autogen.sh b/autogen.sh
index 904cd6746..98d22ea44 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -9,4 +9,4 @@ cd $srcdir
 autoreconf -v --install || exit 1
 cd $ORIGDIR || exit $?
 
-$srcdir/configure --enable-maintainer-mode "$@"
+$srcdir/configure --prefix=/usr/X11 --enable-maintainer-mode "$@"