--- a/lib/Tools/keywords	Tue Jun 25 11:26:15 2013 +0200
+++ b/lib/Tools/keywords	Tue Jun 25 11:41:16 2013 +0200
@@ -51,7 +51,7 @@
 
 ## main
 
-[ -e "$ISABELLE_HOME/Admin/build" ] && { "$ISABELLE_HOME/Admin/build" jars || exit $?; }
+isabelle_admin_build jars || exit $?
 
 declare -a JAVA_ARGS; eval "JAVA_ARGS=($ISABELLE_BUILD_JAVA_OPTIONS)"