diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index cf6d69afefd..86493f6c71a 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -34,8 +34,9 @@ on:
     inputs:
       platforms:
         description: 'Platform(s) to execute on (comma separated, e.g. "linux-x64, macos, aarch64")'
-        required: true
-        default: 'linux-x64, linux-x86, linux-x64-variants, linux-cross-compile, macos-x64, macos-aarch64, windows-x64, windows-aarch64, docs'
+        required: false
+        default: ''
+          # default: 'linux-x64, linux-x86, linux-x64-variants, linux-cross-compile, macos-x64, macos-aarch64, windows-x64, windows-aarch64, docs'
       configure-arguments:
         description: 'Additional configure arguments'
         required: false