diff --git a/.github/workflows/macos-alpha-build.yml b/.github/workflows/macos-alpha-build.yml
index 8fffd8153..7b85e97d8 100644
--- a/.github/workflows/macos-alpha-build.yml
+++ b/.github/workflows/macos-alpha-build.yml
@@ -82,7 +82,7 @@ jobs:
         run: |
           cd engine
           export PATH="$(python3 -m site --user-base)/bin":$PATH
-          ./mach --no-interactive bootstrap --application-choice browser 
+          ./mach --no-interactive bootstrap --application-choice browser --no-system-changes
           cd ..
 
       - name: Import