diff --git a/.github/workflows/Ubuntu.yml b/.github/workflows/Ubuntu.yml
index d3d66e19..df0faaf3 100644
--- a/.github/workflows/Ubuntu.yml
+++ b/.github/workflows/Ubuntu.yml
@@ -20,11 +20,11 @@ jobs:
     strategy:
       matrix:
         include:
-         - TEST_ACME_Server: ""
+         - TEST_ACME_Server: "LetsEncrypt.org"
            CA_ECDSA: ""
            CA: ""
            CA_EMAIL: ""
-         - TEST_ACME_Server: "https://acme.zerossl.com/v2/DV90"
+         - TEST_ACME_Server: "ZeroSSL.com"
            CA_ECDSA: "ZeroSSL ECC Domain Secure Site CA"
            CA: "ZeroSSL RSA Domain Secure Site CA"
            CA_EMAIL: "githubtest@acme.sh"
@@ -32,7 +32,7 @@ jobs:
     runs-on: ubuntu-latest
     env:
       TEST_LOCAL: 1
-      ACME_DIRECTORY: ${{ matrix.TEST_ACME_Server }}
+      TEST_ACME_Server: ${{ matrix.TEST_ACME_Server }}
       CA_ECDSA: ${{ matrix.CA_ECDSA }}
       CA: ${{ matrix.CA }}
       CA_EMAIL: ${{ matrix.CA_EMAIL }}