diff -r e392d0a28bd8 -r bf56eb7af632 Admin/build
--- a/Admin/build	Mon Sep 26 21:17:25 2011 +0200
+++ b/Admin/build	Mon Sep 26 21:41:39 2011 +0200
@@ -84,7 +84,7 @@
 
 function build_jars ()
 {
-  "$ISABELLE_HOME/lib/scripts/java_ext_dirs" >/dev/null
+  "$ISABELLE_TOOL" env "$ISABELLE_HOME/lib/scripts/java_ext_dirs" >/dev/null
   pushd "$ISABELLE_HOME/src/Pure" >/dev/null
   "$ISABELLE_TOOL" env ./build-jars "$@" || exit $?
   popd >/dev/null