diff --git a/appveyor.yml b/appveyor.yml
index 311b7fae76..a946c5fa88 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -62,7 +62,7 @@ notifications:
   - provider: Slack
     auth_token:
       secure: Ycvea4CbhP10k3tQwTr9vU2QMdYa4JusDfbCoOwkns2O87afn/G5eBsUakdM/eyW
-    channel: pdal
+    channel: '#pdal'
     on_build_failure: true
     on_build_success: false
     on_build_status_changed: true