diff --git a/Frameworks/document/src/document.h b/Frameworks/document/src/document.h
index a2d93d11..c9904c13 100644
--- a/Frameworks/document/src/document.h
+++ b/Frameworks/document/src/document.h
@@ -217,7 +217,7 @@ namespace document
 
 	public:
 		bool try_open (document::open_callback_ptr callback);
-		void sync_open (CFStringRef runLoopMode = CFSTR("OakThreadSignalsRunLoopMode"));
+		void sync_open (CFStringRef runLoopMode = kCFRunLoopDefaultMode);
 		void close ();
 
 		void show ();