diff --git a/kobaltw b/kobaltw
index 4ce0a3c0..9726da2a 100755
--- a/kobaltw
+++ b/kobaltw
@@ -1,2 +1,5 @@
+if [ -z $KOBALT_HOME ]; then
+    KOBALT_HOME="."
+fi
 java -jar $KOBALT_HOME/kobalt/wrapper/kobalt-wrapper.jar $*