diff --git a/.github/workflows/cmake-win.yml b/.github/workflows/cmake-win.yml
index 2eb8eb03d5..cf4e397f4d 100644
--- a/.github/workflows/cmake-win.yml
+++ b/.github/workflows/cmake-win.yml
@@ -51,7 +51,7 @@ jobs:
         run: |
           $NOW=& Get-Date -format yyyy-MM-dd
           echo "NOW=$NOW" >> $env:GITHUB_ENV
-          git_hash=$(git.exe rev-parse --short ${{ github.sha }})
+          $git_hash=$(git.exe rev-parse --short ${{ github.sha }})
           echo "COMMIT_SHORT_SHA=$git_hash" >> $env:GITHUB_ENV
 
       - name: Configure project