diff --git a/src/osd/modules/debugger/osx/debugview.m b/src/osd/modules/debugger/osx/debugview.m
index c5b0a1c5431..e793c649d9e 100644
--- a/src/osd/modules/debugger/osx/debugview.m
+++ b/src/osd/modules/debugger/osx/debugview.m
@@ -404,7 +404,7 @@ static void debugwin_view_update(debug_view &view, void *osdprivate)
 	[text addAttribute:NSFontAttributeName value:font range:run];
 	NSPasteboard *const board = [NSPasteboard generalPasteboard];
 	[board declareTypes:[NSArray arrayWithObject:NSRTFPboardType] owner:nil];
-	[board setData:[text RTFFromRange:run documentAttributes:@{}] forType:NSRTFPboardType];
+	[board setData:[text RTFFromRange:run documentAttributes:[NSDictionary dictionary]] forType:NSRTFPboardType];
 	[text deleteCharactersInRange:run];
 }