diff --git a/.github/workflows/mock_release.yaml b/.github/workflows/mock_release.yaml
index c914b02903e..de2f7eaf60b 100644
--- a/.github/workflows/mock_release.yaml
+++ b/.github/workflows/mock_release.yaml
@@ -27,7 +27,7 @@ jobs:
       - name: Attempt mock release
         run: >
           ./gradlew test publishMavenPublicationToMavenLocal publishMavenPublicationToMavenRepository 
-          -PsigningKey=$(gpg --batch --pinentry-mode=loopback --yes --passphrase "${GPG_PASSWORD}" --armor --export-secret-key "${GPG_KEY_ID}") 
+          -PsigningKey="$(gpg --batch --pinentry-mode=loopback --yes --passphrase "${GPG_PASSWORD}" --armor --export-secret-key "${GPG_KEY_ID}")"
           -PsigningPassword="${GPG_PASSWORD}"
       - name: Upload test results html files
         continue-on-error: true