diff -r eff93bc3c14f -r 4b79e5d3d0aa doc-src/TutorialI/Overview/IsaMakefile
--- a/doc-src/TutorialI/Overview/IsaMakefile	Sat Oct 04 16:05:08 2008 +0200
+++ b/doc-src/TutorialI/Overview/IsaMakefile	Sat Oct 04 16:05:09 2008 +0200
@@ -7,7 +7,7 @@
 SRC = $(ISABELLE_HOME)/src
 OUT = $(ISABELLE_OUTPUT)
 LOG = $(OUT)/log
-USEDIR = $(ISATOOL) usedir -i true -d ps -D document -v true
+USEDIR = $(ISABELLE_TOOL) usedir -i true -d ps -D document -v true
 
 
 ## LNCS