diff --git a/src/game_initialization/configure_engine.hpp b/src/game_initialization/configure_engine.hpp
index 239f6afd1ff6..925ba53118c4 100644
--- a/src/game_initialization/configure_engine.hpp
+++ b/src/game_initialization/configure_engine.hpp
@@ -84,7 +84,7 @@ class configure_engine
 	void set_options(const config& cfg);
 
 	// parameter defaults
-	static std::string game_name_default() const;
+	static std::string game_name_default();
 	int num_turns_default() const;
 	int village_gold_default() const;
 	int village_support_default() const;