diff --git a/.circleci/config.yml b/.circleci/config.yml
index a6777d7..5ad93f9 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -33,7 +33,7 @@ jobs:
       - run:
           name: Get deploy dir
           command: |
-            echo 'export DEPLOY_DIR=$( if [ "$CIRCLE_TAG" =~ "^v.*" ]; then echo "$CIRCLE_TAG"; else echo "${CIRCLE_SHA1:0:7}"; fi )' >> $BASH_ENV
+            echo 'export DEPLOY_DIR=$( if [[ "$CIRCLE_TAG" =~ "^v.*" ]]; then echo "$CIRCLE_TAG"; else echo "${CIRCLE_SHA1:0:7}"; fi )' >> $BASH_ENV
             cat $BASH_ENV
 
       - aws-s3/sync: