diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index fb6717da..49c55427 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -65,4 +65,4 @@ jobs:
       - name: Check Changed Schemas
         id: changed_files
         run: |
-          echo "files_changed=$(git diff --exit-code NewHorizons/Schemas 2>&1>$null && echo false || echo true)" >> $GITHUB_OUTPUT
+          echo "files_changed=$(git diff --exit-code NewHorizons/Schemas 2>&1>$null && echo false || echo true)" >> $Env:GITHUB_OUTPUT
\ No newline at end of file