diff --git a/actions/cache/action.yml b/actions/cache/action.yml
index a98a3888..8e745545 100644
--- a/actions/cache/action.yml
+++ b/actions/cache/action.yml
@@ -21,11 +21,12 @@ runs:
 
     - uses: actions/cache@v3
       # in containers this has issues because github.workspace != $GITHUB_WORKSPACE
-      if: ${{ github.workspace }} == ${{ steps.os-cache.outputs.GITHUB_WORKSPACE }}
+      if: github.workspace == steps.os-cache.outputs.GITHUB_WORKSPACE
       with:
         path: |
           ~/.deno
           ${{ steps.os-cache.outputs.cache }}
-        # This isn't perfect (can't hash stuff outside $GITHUB_WORKSPACE, and if the there scripts change, the hash won't)
+        # This isn't perfect (can't hash stuff outside github.workspace, and if the there scripts change, the hash won't)
+        # additionally, in containerized runs, github.workspace != $GITHUB_WORKSPACE, so we can't use this at all, hence the if above.
         # but it's good enough for now. It's slightly conservative, since it monitors all .ts files, but that's fine.
         key: ${{ runner.os }}-deno-${{ inputs.cache-name }}-${{ hashFiles('**/deno.jsonc', '**/*.ts') }}