diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 4e2d6f5965e4ccdbc0ce7cbfec8795de6419ad26..bdd63d4dac224e1a766afbf4f3f7bccbad31399f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -104,8 +104,6 @@ testinfra:
 
 certs:
   stage: health-test
-  variables:
-    OAS_DOMAIN: "$ADDRESS"
   allow_failure: true
   script:
     - mkdir ~/.ssh
diff --git a/test/README.md b/test/README.md
index 21ceee2faf255a4038f21805b4d8079138aa2854..5ff076a3f371fb4decbb77fb44d20e889eb3023a 100644
--- a/test/README.md
+++ b/test/README.md
@@ -10,7 +10,7 @@ Specify host manually:
 
 Run cert test manually using the ansible inventory file:
 
-    OAS_DOMAIN='example.openappstack.net' py.test -v -m 'certs' \
+    ADDRESS='example.openappstack.net' py.test -v -m 'certs' \
       --connection=ansible \
       --ansible-inventory=../ansible/inventory.yml \
       --hosts='ansible://*'
@@ -18,11 +18,11 @@ Run cert test manually using the ansible inventory file:
 Run cert test manually against a different cluster, not configured in any
 ansible inventory file, either by using pytest:
 
-    OAS_DOMAIN='example.openappstack.net' py.test -v -m 'certs'
+    ADDRESS='example.openappstack.net' py.test -v -m 'certs'
 
 or directly (allows better debugging since pytest won't eat stdout):
 
-    OAS_DOMAIN='example.openappstack.net' pytest/test_certs.py
+    ADDRESS='example.openappstack.net' pytest/test_certs.py
 
 ## Issues
 
diff --git a/test/pytest/test_certs.py b/test/pytest/test_certs.py
index 2e9c152b3dd27f0d0e52e250e7bb94485ecb7f0b..472311e1613aca6db185ddb97918beed9e658ee0 100755
--- a/test/pytest/test_certs.py
+++ b/test/pytest/test_certs.py
@@ -97,8 +97,8 @@ def valid_cert(domain: str, ca_file: str = '/tmp/custom_ca_bundle.crt'):
 
 @pytest.mark.certs
 def test_cert_validation(host):
-    domain = os.environ.get("OAS_DOMAIN")
-    assert domain, "Please export OAS_DOMAIN as environment variable."
+    domain = os.environ.get("ADDRESS")
+    assert domain, "Please export ADDRESS as environment variable."
 
     add_custom_cert_authorities(certifi.where(),
                                 ['pytest/le-staging-bundle.pem'])