diff --git a/.github/workflows/haskell.yml b/.github/workflows/haskell.yml
index c343990b060..aea1bc5aa8b 100644
--- a/.github/workflows/haskell.yml
+++ b/.github/workflows/haskell.yml
@@ -112,7 +112,15 @@ jobs:
         REF=a31ac75
         curl -L https://github.com/input-output-hk/cardano-mainnet-mirror/tarball/$REF -o mainnet-mirror.tgz
         tar -xzf mainnet-mirror.tgz
-        mv input-output-hk-cardano-mainnet-mirror-$REF/epochs .
+        if [ "$?" == 0 ]; then
+          mv input-output-hk-cardano-mainnet-mirror-$REF/epochs .
+        else
+          git clone https://github.com/input-output-hk/cardano-mainnet-mirror
+          cd cardano-mainnet-mirror
+          git checkout $REF
+          mv epochs ..
+          cd ..
+        fi
 
     - name: Run tests
       run: |