diff --git a/run.sh b/run.sh
index 683ba73..ec10b75 100755
--- a/run.sh
+++ b/run.sh
@@ -6,6 +6,8 @@ cd $DIR
 rm -rfv public
 mkdir -pv public
 
-cp -rv themes/lugo/static/style.css static/
+if [[ ! -f static/style.css ]]; then
+	cp -rv themes/lugo/static/style.css static/
+fi
 
 hugo server -D --noBuildLock