diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 8290be83a..d9934f121 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -109,7 +109,9 @@ jobs:
 
   wack:
     needs: build
-    runs-on: windows-latest
+    # wack gives faulty results on Windows 2022 as of 2024-11-13
+    # https://github.com/actions/runner-images/releases/tag/win22%2F20241113.3
+    runs-on: windows-2019
     steps:
     - name: Download artifacts
       uses: actions/download-artifact@v4