diff -r 13168094175b -r fc363a3b690a lib/Tools/java
--- a/lib/Tools/java	Thu Jul 15 16:01:04 2021 +0200
+++ b/lib/Tools/java	Thu Jul 15 16:35:45 2021 +0200
@@ -6,6 +6,8 @@
 
 eval "declare -a JAVA_ARGS=($ISABELLE_JAVA_SYSTEM_OPTIONS)"
 
+isabelle_setup_classpath
+
 [ -n "$CLASSPATH" ] && classpath "$CLASSPATH"
 unset CLASSPATH