diff --git a/src/generators/lua_map_generator.hpp b/src/generators/lua_map_generator.hpp
index 215fa49dd825..2d915aff69e1 100644
--- a/src/generators/lua_map_generator.hpp
+++ b/src/generators/lua_map_generator.hpp
@@ -12,8 +12,8 @@
    See the COPYING file for more details.
 */
 
-#ifndef LUA_MAP_GENERATOR_DEFINED
-#define LUA_MAP_GENERATOR_DEFINED
+#ifndef LUA_MAP_GENERATOR_HPP_INCLUDED
+#define LUA_MAP_GENERATOR_HPP_INCLUDED
 
 #include "config.hpp"
 #include "map_generator.hpp"
diff --git a/src/terrain_type_data.hpp b/src/terrain_type_data.hpp
index 6b76027c284e..136758ae02df 100644
--- a/src/terrain_type_data.hpp
+++ b/src/terrain_type_data.hpp
@@ -12,8 +12,8 @@
    See the COPYING file for more details.
 */
 
-#ifndef DEFINED_TERRAIN_TYPE_DATA
-#define DEFINED_TERRAIN_TYPE_DATA
+#ifndef TERRAIN_TYPE_DATA_HPP_INCLUDED
+#define TERRAIN_TYPE_DATA_HPP_INCLUDED
 
 #include "terrain.hpp"