diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index cbb3030c..22f71012 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -88,7 +88,8 @@ jobs:
 
       - name: Determine build archive name
         run: |
-          echo "ARCHIVE_NAME=nih-plugs-$(git describe --always)-${{ matrix.name }}" >> "$GITHUB_ENV"
+          # Windows (usually) doesn't like colons in file names
+          echo "ARCHIVE_NAME=nih-plugs-$(date -u +"%Y-%m-%d-%H%m%S")-${{ matrix.name }}" >> "$GITHUB_ENV"
       - name: Move all packaged plugin into a directory
         run: |
           # GitHub Action strips the top level directory, great, have another one