diff --git a/script/maintenance/black.sh b/script/maintenance/black.sh
index 2bb5324..d0811c1 100755
--- a/script/maintenance/black.sh
+++ b/script/maintenance/black.sh
@@ -2,4 +2,4 @@
 # This will format all python file
 # argument 1: directory or file to format
 source ./.venv/bin/activate
-black -l 100 -t py37 $@
+black -l 79 --experimental-string-processing -t py37 $@