diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index fddeebfa87eeeb01a802c9fb7962be7dfd8603cf..e7d78e74af81196fb93ec31adf967b1817ed9d84 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -847,7 +847,6 @@ nightly-i386-windows-hadrian:
 .build-windows-make:
   extends: .build-windows
   stage: full-build
-  allow_failure: true
   variables:
     BUILD_FLAVOUR: "quick"
     GHC_VERSION: "8.6.5"