diff --git a/src/gamestatus.hpp b/src/gamestatus.hpp
index 23451db5c18..0572683ebc4 100644
--- a/src/gamestatus.hpp
+++ b/src/gamestatus.hpp
@@ -198,7 +198,7 @@ private:
 	config variables_;
 	mutable config temporaries_; // lengths of arrays, etc.
 	const rand_rng::set_random_generator generator_setter_; /**< Make sure that rng is initialized first */
-	friend struct variable_info;
+	friend class variable_info;
 	game_classification classification_;
 	mp_game_settings mp_settings_;
 	PHASE phase_;