diff --git a/.appveyor.yml b/.appveyor.yml
index de16a71..88b4818 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -37,7 +37,7 @@ deploy:
 - provider: Webhook
   url: https://app.signpath.io/API/v1/%ORGANIZATION_ID%/Integrations/AppVeyor?ProjectSlug=%PROJECT_SLUG%&SigningPolicySlug=%SIGNING_POLICY_SLUG%&ArtifactConfigurationSlug=%ARTIFACT_CONFIGURATION_SLUG%
   authorization:
-    secure: %ENCRYPTED_SIGNPATH_API_TOKEN%
+    secure: "%ENCRYPTED_SIGNPATH_API_TOKEN%"
 
 notifications:
   - provider: Email