diff --git a/src/preferences/filetypes/PreferredAppMenu.cpp b/src/preferences/filetypes/PreferredAppMenu.cpp
index 4882821b23..faf503a484 100644
--- a/src/preferences/filetypes/PreferredAppMenu.cpp
+++ b/src/preferences/filetypes/PreferredAppMenu.cpp
@@ -201,7 +201,7 @@ update_preferred_app_menu(BMenu* menu, BMimeType* type, uint32 what,
 
 		menu->AddSeparatorItem();
 		menu->AddItem(item);
-		item->SetMarked(item);
+		item->SetMarked(true);
 	}
 }