diff --git a/mkspecs/macx-xcode/WorkspaceSettings.xcsettings b/mkspecs/macx-xcode/WorkspaceSettings.xcsettings
index 08de0be8d3c..a3f43a8b380 100644
--- a/mkspecs/macx-xcode/WorkspaceSettings.xcsettings
+++ b/mkspecs/macx-xcode/WorkspaceSettings.xcsettings
@@ -2,6 +2,8 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
+	<key>BuildSystemType</key>
+	<string>Original</string>
 	<key>IDEWorkspaceSharedSettings_AutocreateContextsIfNeeded</key>
 	<false/>
 </dict>