diff --git a/openbis/dist/server/run-jython-plugin-script.sh b/openbis/dist/server/run-jython-plugin-script.sh
index a01ed399841d5f44d1e9dfd57db14971f60a219a..972234e6a3466e1a1645c2cf74fbafd60ec0fec8 100755
--- a/openbis/dist/server/run-jython-plugin-script.sh
+++ b/openbis/dist/server/run-jython-plugin-script.sh
@@ -20,8 +20,7 @@ fi
 
 
 LIB=$BASE/../webapps/$APPLICATION_NAME/WEB-INF/lib
-WEBINF_CLASSES=$BASE/../webapps/$APPLICATION_NAME/WEB-INF/classes
 
 $JVM \
- -cp $LIB/*.jar:$WEBINF_CLASSES \
- ch.systemsx.cisd.openbis.plugin.jython.api.v1.impl.JythonPluginScriptStandalone "$@"
+ -cp $LIB/\* \
+ ch.systemsx.cisd.openbis.generic.client.jython.api.v1.impl.JythonPluginScriptStandalone "$@"