diff --git a/Makefile b/Makefile
index e0f9244..3b05e7f 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,7 @@ tup:
 	tup build
 
 clean:
-	git nuke
+	cd build && git nuke
 
 graph:
 	tup graph . | dot -Tpng > graph.png