diff --git a/src/expire-config.hpp b/src/expire-config.hpp
index 832ba6d64..2ce64fd57 100644
--- a/src/expire-config.hpp
+++ b/src/expire-config.hpp
@@ -1,5 +1,5 @@
-#ifndef OSM2PGSQL_FLEX_EXPIRE_CONFIG_HPP
-#define OSM2PGSQL_FLEX_EXPIRE_CONFIG_HPP
+#ifndef OSM2PGSQL_EXPIRE_CONFIG_HPP
+#define OSM2PGSQL_EXPIRE_CONFIG_HPP
 
 /**
  * SPDX-License-Identifier: GPL-2.0-or-later
@@ -45,4 +45,4 @@ struct expire_config_t
 
 }; // struct expire_config_t
 
-#endif // OSM2PGSQL_FLEX_EXPIRE_CONFIG_HPP
+#endif // OSM2PGSQL_EXPIRE_CONFIG_HPP
diff --git a/src/lua-setup.hpp b/src/lua-setup.hpp
index 6d6fa0b12..95dbff626 100644
--- a/src/lua-setup.hpp
+++ b/src/lua-setup.hpp
@@ -1,5 +1,5 @@
-#ifndef OSM2PGSQL_LUA_CONFIG_HPP
-#define OSM2PGSQL_LUA_CONFIG_HPP
+#ifndef OSM2PGSQL_LUA_SETUP_HPP
+#define OSM2PGSQL_LUA_SETUP_HPP
 
 /**
  * SPDX-License-Identifier: GPL-2.0-or-later
@@ -17,4 +17,4 @@ struct lua_State;
 void setup_lua_environment(lua_State *lua_state, std::string const &filename,
                            bool append_mode);
 
-#endif // OSM2PGSQL_LUA_CONFIG_HPP
+#endif // OSM2PGSQL_LUA_SETUP_HPP