simplify build parameters
diff --git a/releng.control/cc_config.xml b/releng.control/cc_config.xml
index 7f07c3a..5c0fb02 100644
--- a/releng.control/cc_config.xml
+++ b/releng.control/cc_config.xml
@@ -103,8 +103,8 @@
 
     <plugin
         name="cvs"
-        cvsroot="${env.CVS_MAIN_REPO}" />
-
+        cvsroot=":${env.WTP_CVS_PROTOCOL}:${env.WTP_CVS_USER}@${env.WTP_CVS_SERVER}:${env.WTP_CVS_ROOT}" />
+            
     <!-- 
     
         Note: projects should be named in the form