1 files changed, 1 insertions, 1 deletions
diff --git a/Services/LaunchServer/Launcher.h b/Services/LaunchServer/Launcher.h
index 2108ffd897..a4f5fd9ddb 100644
--- a/Services/LaunchServer/Launcher.h
+++ b/Services/LaunchServer/Launcher.h
@@ -72,7 +72,7 @@ private:
     void for_each_handler(const String& key, HashMap<String, String>& user_preferences, Function<bool(const Handler&)> f);
     void for_each_handler_for_path(const String&, Function<bool(const Handler&)> f);
     bool open_file_url(const URL&);
-    bool open_with_user_preferences(const HashMap<String, String>& user_preferences, const String key, const String argument, const String default_program);
+    bool open_with_user_preferences(const HashMap<String, String>& user_preferences, const String key, const String argument, const String default_program = {});
     bool open_with_handler_name(const URL&, const String& handler_name);
 };
 }