diff --git a/.github/workflows/cmake-win.yml b/.github/workflows/cmake-win.yml
index 1e27b64099..30d1a80013 100644
--- a/.github/workflows/cmake-win.yml
+++ b/.github/workflows/cmake-win.yml
@@ -46,7 +46,7 @@ jobs:
 
       - name: Prepare environment
         run: |
-          $NOW=& Get-Date -format yyyy-MM-dd
+          $NOW=& Get-Date -format yyyyMMdd
           echo "NOW=$NOW" >> $env:GITHUB_ENV
           $git_hash=$(git.exe rev-parse --short ${{ github.sha }})
           echo "COMMIT_SHORT_SHA=$git_hash" >> $env:GITHUB_ENV