diff --git a/.github/workflows/docker-build.yml b/.github/workflows/docker-build.yml
index f7061aa..982bb01 100644
--- a/.github/workflows/docker-build.yml
+++ b/.github/workflows/docker-build.yml
@@ -19,13 +19,13 @@ jobs:
       - name: set docker image tag
         run: |
           if [[ "${{ github.ref }}" == "refs/heads/dev" ]]; then
-            echo "IMAGE_TAG=dev" >> $env:GITHUB_ENV
-            echo "CREATE_IMAGE=true" >> $env:GITHUB_ENV
+            echo "IMAGE_TAG=dev" >> $GITHUB_ENV
+            echo "CREATE_IMAGE=true" >> $GITHUB_ENV
           elif [[ "${{ github.ref_type }}" == "tag" ]]; then
             echo "IMAGE_TAG=${{ github.ref_name }}"
-            echo "CREATE_IMAGE=true" >> $env:GITHUB_ENV
+            echo "CREATE_IMAGE=true" >> $GITHUB_ENV
           else
-            echo "CREATE_IMAGE=false" >> $env:GITHUB_ENV
+            echo "CREATE_IMAGE=false" >> $GITHUB_ENV
           fi
 
       - name: Login to Docker Hub