diff --git a/Makefile b/Makefile
index 977f467..4854743 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 all: 1o 2o 3o ../submission.zip
 
 submission.zip:
-	zip $@ .git *o *.py -r
+	zip $@ .git *.py -r
 
 1o: 1
 	python main.py $<