diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 387e6a56a1..e3604c3d63 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -37,7 +37,7 @@ jobs:
         shell: pwsh
         run: |
           $repo_url = "https://github.com/${env:GITHUB_REPOSITORY}.git"
-          $adj_build_num = "${{ env.GITHUB_SHA }}"
+          $adj_build_num = "${env:GITHUB_SHA}"
 
           echo "::set-output name=repo_url::$repo_url" 
           echo "::set-output name=adj_build_number::$adj_build_num"