diff --git a/workspace/action.yaml b/workspace/action.yaml
index 43ad221..8938e25 100644
--- a/workspace/action.yaml
+++ b/workspace/action.yaml
@@ -12,5 +12,8 @@ runs:
     - run: |
         WORKSPACE=$(pwd)
         cd ..
-        ln -fs "/workspace/${{ inputs.key }}" "$WORKSPACE"
-        echo "Linked: /workspace/${{ inputs.key }} -> $WORKSPACE"
+        ln -fs "/workspace/$KEY" "$WORKSPACE"
+        echo "Linked: /workspace/$KEY -> $WORKSPACE"
+      shell: bash
+      env:
+        KEY: ${{ inputs.key }}