diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index d9fc80a..c7fd08f 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -17,7 +17,8 @@ jobs:
     runs-on: windows
     defaults:
       run:
-        shell: powershell
+        # Steps run as script files, which Windows' default execution policy refuses.
+        shell: powershell -NoProfile -ExecutionPolicy Bypass -Command ". '{0}'"
     steps:
       - name: Check out
         env: