diff --git a/.github/workflows/build-beta.yml b/.github/workflows/build-beta.yml
index 9c909c7..88636e6 100644
--- a/.github/workflows/build-beta.yml
+++ b/.github/workflows/build-beta.yml
@@ -60,7 +60,7 @@ jobs:
       
       - name: "Write version number"
         run: |
-          Add-Content -Path "version.py" -Value "SUB_VER = `$env:SUB_VER"
+          Add-Content -Path "version.py" -Value "SUB_VER = `$env:SUB_VER`"
           Get-Content version.py
         env:
           SUB_VER: ${{ needs.get-version-number.outputs.SUB_VERSION }}