diff --git a/build_ohana.sh b/build_ohana.sh
index 8b27952aa4e710af3eb602b09e6f5e91fc2580b4..fb1d01c2d5556f9f4def113f53ef2d1c484699d3 100755
--- a/build_ohana.sh
+++ b/build_ohana.sh
@@ -114,9 +114,9 @@ if [[ $build_option == 2 || $build_option == 4 ]]; then
   cd ..
   mv ohana/dist .
   cd dist/css
-  rm  !(all.min.css|uw-dashboard.min.css) 
+  find . -type f -not \( -name 'all.min.css' -or -name 'uw-dashboard.min.css' \) -delete
   cd ../js
-  rm  !(all.min.js) 
+  find . -type f -not -name 'all.min.js' -delete
   cd ..
   if [[ -d vendor ]]; then
     rm -rf vendor