diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index e6464e7..46a38be 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -67,6 +67,11 @@ jobs:
     - name: Test on windows
       if: matrix.platform == 'windows-latest'
       run: |
+        # 8.3 filenames causes issues. See
+        # https://github.com/actions/virtual-environments/issues/712
+        set TMP=%USERPROFILE%\AppData\Local\Temp
+        set TEMP=%USERPROFILE%\AppData\Local\Temp
+
         $Env:path += ";C:\Users\runneradmin\go\bin"
         go test -race -v ./...