diff --git a/.github/workflows/build-toolchain.yml b/.github/workflows/build-toolchain.yml
index 7d82b805f..cf51bd7ea 100644
--- a/.github/workflows/build-toolchain.yml
+++ b/.github/workflows/build-toolchain.yml
@@ -138,6 +138,12 @@ on:
         default: false
         type: boolean
 
+      use_host_toolchain:
+        description: 'Use host toolchain (MSVC) instead of clang-cl/lld-link'
+        type: boolean
+        default: true
+        required: false
+
     secrets:
       SYMBOL_SERVER_PAT:
         required: true