diff --git a/develop/cmake/cmake.conf b/develop/cmake/cmake.conf
index 882d8c007..210487a7d 100644
--- a/develop/cmake/cmake.conf
+++ b/develop/cmake/cmake.conf
@@ -2,7 +2,7 @@
 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 #
 # Filename: package/.../cmake/cmake.conf
-# Copyright (C) 2009 The OpenSDE Project
+# Copyright (C) 2009 - 2011 The OpenSDE Project
 # Copyright (C) 2004 - 2006 The T2 SDE Project
 #
 # More information can be found in the files COPYING and README.
@@ -14,3 +14,5 @@
 # --- SDE-COPYRIGHT-NOTE-END ---
 
 cleanconfopt=0
+
+confopt="--prefix=$root/$prefix"