diff --git a/.github/workflows/diffcalc.yml b/.github/workflows/diffcalc.yml
index 35fd45320c..bc2626d3d6 100644
--- a/.github/workflows/diffcalc.yml
+++ b/.github/workflows/diffcalc.yml
@@ -91,7 +91,7 @@ jobs:
         uses: actions/checkout@v2
         with:
           path: 'pr/osu'
-          repository: $${{ steps.upstreambranch.outputs.repo }}
+          repository: ${{ steps.upstreambranch.outputs.repo }}
           ref: ${{ steps.upstreambranch.outputs.branchname }}
 
       - name: Checkout osu-difficulty-calculator (master)