diff --git a/.circleci/config.yml b/.circleci/config.yml
index 2ffcc84..39bd367 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -38,7 +38,7 @@ jobs:
           name: "Gzip css/js/images"
           working_directory: /root/project/
           command: |
-            for TARGET in `find ./public/ -type f -regextype posix-egrep -regex ".*\.(css|js|png|jpg|JPG|PNG|CSS|JS)"`
+            for TARGET in `find public/ -type f | egrep "\.(css|js|png|jpg|JPG|PNG|CSS|JS)$"`
             do
               gzip -c ${TARGET} > ${TARGET}.gz
             done