diff --git a/.github/workflows/haskell.yml b/.github/workflows/haskell.yml
index 45b2c88ea9d..ae6937a6dd3 100644
--- a/.github/workflows/haskell.yml
+++ b/.github/workflows/haskell.yml
@@ -126,10 +126,11 @@ jobs:
 
     - name: Run tests
       env:
-        TMPDIR: ${{ runner.temp }}
-        TMP: ${{ runner.temp }}
+        TMPDIR: /home/runner/_
+        TMP: /home
         KEEP_WORKSPACE: 1
       run: |
+        mkdir -p "$TMPDIR"
         cabal test cardano-testnet cardano-node cardano-node-chairman cardano-submit-api
 
     - name: Tar failed tests workspaces