diff --git a/Makefile b/Makefile
index 4d94888..5f5b765 100644
--- a/Makefile
+++ b/Makefile
@@ -17,7 +17,7 @@ doc-pdf: doc
 
 clean:
 	$(MAKE) -C src clean
-	rm -rf drown-engine test latex/* html/* vgcore* core
+	rm -rf drow-engine test latex/* html/* vgcore* core
 
 install:
 	$(MAKE) -C install