diff -r 678e1c9eb009 -r 842fc354c031 bin/isabelle_java
--- a/bin/isabelle_java	Thu Jul 15 17:33:06 2021 +0200
+++ b/bin/isabelle_java	Thu Jul 15 18:18:07 2021 +0200
@@ -19,8 +19,7 @@
   eval "declare -a JAVA_ARGS=($ISABELLE_JAVA_SYSTEM_OPTIONS $ISABELLE_TOOL_JAVA_OPTIONS)"
 
   classpath "$ISABELLE_SETUP_CLASSPATH"
-
-  [ -n "$CLASSPATH" ] && classpath "$CLASSPATH"
+  classpath "$CLASSPATH"
 
   echo "$ISABELLE_ROOT"
   echo "$CYGWIN_ROOT"