diff --git a/eo/tutorial/Makefile.am b/eo/tutorial/Makefile.am
index 41f6058d..b55edecb 100644
--- a/eo/tutorial/Makefile.am
+++ b/eo/tutorial/Makefile.am
@@ -1,2 +1,2 @@
-SUBDIRS = html Lesson1 Lesson2 Lesson3 Lesson4 Lesson5 pdf Templates
+SUBDIRS = html Lesson1 Lesson2 Lesson3 Lesson4 Lesson5 Lesson6 pdf Templates
 
diff --git a/eo/tutorial/Makefile.simple b/eo/tutorial/Makefile.simple
index 61396d3c..5b5d54b2 100644
--- a/eo/tutorial/Makefile.simple
+++ b/eo/tutorial/Makefile.simple
@@ -1,4 +1,4 @@
-SUBDIRS = Lesson1 Lesson2 Lesson3 Lesson4 Lesson5
+SUBDIRS = Lesson1 Lesson2 Lesson3 Lesson4 Lesson5 Lesson6
 
 all:
 	for i in $(SUBDIRS); do cd $$i && $(MAKE) all; cd ..; done
@@ -18,6 +18,9 @@ lesson4 :
 lesson5 : 
 	cd Lesson5; make
 
+lesson6 : 
+	cd Lesson6; make
+
 #empty dist and distdir to let top-level 'make' do its job
 dist :