diff --git a/tools/dev/onos.cshrc b/tools/dev/onos.cshrc
index 17d1f06..f3dc2e6 100644
--- a/tools/dev/onos.cshrc
+++ b/tools/dev/onos.cshrc
@@ -29,8 +29,8 @@
 if ( ! $?KARAF_VERSION ) then
     setenv KARAF_VERSION 3.0.2
 endif
-if ( ! $?KARAF ) then
-    setenv KARAF $HOME/Applications/apache-karaf-$KARAF_VERSION
+if ( ! $?KARAF_HOME ) then
+    setenv KARAF_HOME $HOME/Applications/apache-karaf-$KARAF_VERSION
 endif
 setenv KARAF_LOG $KARAF/data/log/karaf.log