--- a/lib/pvl/main.sh	Mon Mar 02 20:35:29 2015 +0200
+++ b/lib/pvl/main.sh	Mon Mar 02 20:40:10 2015 +0200
@@ -70,7 +70,7 @@
     done
 
     # initialize relative paths
-    [ -z "$SRV" ] || cd $SRV
+    [ -n "$SRV" ] && cd $SRV
 
     ${MAIN_MODULE}_main
 }