diff --git a/Makefile b/Makefile
index 82439c7..e93612c 100644
--- a/Makefile
+++ b/Makefile
@@ -38,6 +38,9 @@
 	@mkdir -p $(LATEX)/lectures
 	(cd lectures; cp *.cls *.sty $(LATEX)/lectures)
 
+	@mkdir -p $(LATEX)/infosciletterhead
+	(cd infosciletterhead; cp infosciletterhead.cls infosciletterhead.pdf $(LATEX)/lectures)
+
 	@mkdir -p $(LATEX)/local
 	(cp relalg.sty $(LATEX)/local)