diff --git a/.github/workflows/DNS.yml b/.github/workflows/DNS.yml
index b766bcba..02a6cf80 100644
--- a/.github/workflows/DNS.yml
+++ b/.github/workflows/DNS.yml
@@ -64,11 +64,10 @@ jobs:
     - name: Set env file
       run: |
         cd ../acmetest
-        echo TestingDomain=${{ secrets.TestingDomain }} > docker.env
-        echo TEST_DNS_SLEEP=240 >> docker.env 
-        echo CZ_AuthorizationToken=${{ secrets.TokenValue1 }} >> docker.env   
-        echo CZ_Zones=${{ vars.TokenValue2 }} >> docker.env
-        echo CASE=le_test_dnsapi >> docker.env
+        export TestingDomain=${{ secrets.TestingDomain }}
+        export CZ_AuthorizationToken=${{ secrets.TokenValue1 }}
+        export CZ_Zones=${{ vars.TokenValue2 }}
+        export TEST_DNS_SLEEP=240
         
         echo DEBUG=3 >> docker.env