diff --git a/Makefile b/Makefile
index 7defce8..f59dc59 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 watch:
-	./watch_compile.sh
+	./watch_compile.sh $(word 2,$(MAKECMDGOALS))
 
 html:
 	./scripts/slides_to_html.sh slides.md