diff --git a/appveyor.yml b/appveyor.yml
index 4c64fe47bf..cb0a8ae453 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -29,5 +29,7 @@ notifications:
   - provider: Slack
     incoming_webhook:
       secure: CmhfxrWwgtwzO/kXoZWXRUB/Jh05AQ7DvOhToqtpm6dN1wBDp9+VnNqxldpv34uPd09vuUk4Nu/NQFkIswuZA5NYfIFJIFWqwnZExQFzTBA=
+    on_build_success: false
+    on_build_failure: true
     on_build_status_changed: true
     template: Build <{{buildUrl}}|#{{buildNumber}}> (<{{commitUrl}}|{{commitId}}>) of {{repositoryName}}@{{branch}} by {{commitAuthor}} {{status}} in {{duration}}