diff --git a/.github/workflows/CompileWindows.yml b/.github/workflows/CompileWindows.yml
index bc3e47f72..6867db275 100644
--- a/.github/workflows/CompileWindows.yml
+++ b/.github/workflows/CompileWindows.yml
@@ -19,7 +19,7 @@ jobs:
       id: envs
       run: |
         echo '::set-env name=VCINSTALLDIR::C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC'
-        echo '::set-output name=date::(Get-Date -Format "yyyy.MM")'
+        echo ::set-output name=date::$(Get-Date -Format "yyyy.MM")
     - name: Setting MSVC
       uses: ilammy/msvc-dev-cmd@v1
     - name: Installing QT