diff --git a/build/bakefiles/config.bkl b/build/bakefiles/config.bkl
index 5a4c687fd3..73e98e0d77 100644
--- a/build/bakefiles/config.bkl
+++ b/build/bakefiles/config.bkl
@@ -290,6 +290,7 @@ to run the tests, include CppUnit library here.
     <!-- ================================================================== -->
 
     <if cond="FORMAT=='autoconf'">
+        <option name="REZ"/>
         <option name="DEREZ"/>
         <option name="TOOLKIT"/>
         <option name="TOOLKIT_LOWERCASE"/>