diff --git a/.github/workflows/build-unix.yml b/.github/workflows/build-unix.yml
index f8ca7e1c..97fd4f43 100644
--- a/.github/workflows/build-unix.yml
+++ b/.github/workflows/build-unix.yml
@@ -147,6 +147,9 @@ jobs:
         run: ${{ needs.define-build.outputs.download }}
       - name: "Build PHP"
         run: ${{ needs.define-build.outputs.build }}
+      - name: Setup tmate session
+        if: ${{ failure() }}
+        uses: mxschmitt/action-tmate@v3
 
       # Upload cli executable
       - if: ${{ inputs.build-cli == true }}