diff --git a/clean.sh b/clean.sh
index 54e592f..b400ee9 100755
--- a/clean.sh
+++ b/clean.sh
@@ -1,2 +1,3 @@
-find . -maxdepth 1 -type f ! -name "*.*" -executable -delete
-rm -rf *.in *.out
\ No newline at end of file
+find . -type f ! -name "*.*" -executable -delete
+find . -type f -name "*.in" -delete
+find . -type f -name "*.out" -delete
\ No newline at end of file