diff --git a/.github/workflows/LetsEncrypt.yml b/.github/workflows/LetsEncrypt.yml
index 11137388..e7c5e2d1 100644
--- a/.github/workflows/LetsEncrypt.yml
+++ b/.github/workflows/LetsEncrypt.yml
@@ -97,7 +97,7 @@ jobs:
       shell: cmd
       run: |
           cd ../acmetest \
-          set ACME_DIRECTORY=${{ matrix.TEST_ACME_Server }} \
+          && set ACME_DIRECTORY=${{ matrix.TEST_ACME_Server }} \
           && bash.exe -c ./letest.sh
 
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