diff --git a/clean.sh b/clean.sh
index 497ca83..780d6e3 100755
--- a/clean.sh
+++ b/clean.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
 isort --profile black *.py lib/*.py
-black *.py lib/*.py
+black -l 80 *.py lib/*.py
 flynt *.py lib/*.py