Index: scripts/xdt-autogen.in
===================================================================
--- scripts/xdt-autogen.in	(revision 25228)
+++ scripts/xdt-autogen.in	(working copy)
@@ -2,7 +2,7 @@
 #
 # $Id$
 #
-# Copyright (c) 2002-2006
+# Copyright (c) 2002-2007
 #         The Xfce development team. All rights reserved.
 #
 # Written for Xfce by Benedikt Meurer <benny@xfce.org>.
@@ -326,10 +326,10 @@
   # set aclocal flags
   ACLOCAL_FLAGS="${XDT_ACLOCAL_FLAGS}"
   if test -d "${source_dir}/m4macros"; then
-    ACLOCAL_FLAGS="${ACLOCAL_FLAGS} -I ${source_dir}/m4macros";
+    ACLOCAL_FLAGS="${ACLOCAL_FLAGS} -I \"${source_dir}/m4macros\"";
   fi
   if test -d "${source_dir}/m4"; then
-    ACLOCAL_FLAGS="${ACLOCAL_FLAGS} -I ${source_dir}/m4";
+    ACLOCAL_FLAGS="${ACLOCAL_FLAGS} -I \"${source_dir}/m4\"";
   fi
 
   if test -d "${source_dir}/po"; then