diff --git a/.github/workflows/Ubuntu.yml b/.github/workflows/Ubuntu.yml
index ebf69a3b..4540580c 100644
--- a/.github/workflows/Ubuntu.yml
+++ b/.github/workflows/Ubuntu.yml
@@ -31,13 +31,13 @@ jobs:
            CA_EMAIL: "githubtest@acme.sh"
            TEST_PREFERRED_CHAIN: ""
          - TEST_ACME_Server: "https://localhost:9000/acme/acme/directory"
-           CA_ECDSA: ""
+           CA_ECDSA: "Smallstep Intermediate CA"
            CA: "Smallstep Intermediate CA"
            CA_EMAIL: ""
            TEST_PREFERRED_CHAIN: ""
            NO_REVOKE: 1
          - TEST_ACME_Server: "https://localhost:9000/acme/acme/directory"
-           CA_ECDSA: ""
+           CA_ECDSA: "Smallstep Intermediate CA"
            CA: "Smallstep Intermediate CA"
            CA_EMAIL: ""
            TEST_PREFERRED_CHAIN: ""