diff --git a/src/lua-utils.hpp b/src/lua-utils.hpp
index 26a67af8c..ca085f1c7 100644
--- a/src/lua-utils.hpp
+++ b/src/lua-utils.hpp
@@ -1,5 +1,5 @@
-#ifndef OSM2PGSQL_FLEX_LUA_HPP
-#define OSM2PGSQL_FLEX_LUA_HPP
+#ifndef OSM2PGSQL_LUA_UTILS_HPP
+#define OSM2PGSQL_LUA_UTILS_HPP
 
 /**
  * SPDX-License-Identifier: GPL-2.0-or-later
@@ -60,4 +60,4 @@ bool luaX_get_table_bool(lua_State *lua_state, char const *key, int table_index,
 
 int luaX_pcall(lua_State *lua_state, int narg, int nres);
 
-#endif // OSM2PGSQL_FLEX_LUA_HPP
+#endif // OSM2PGSQL_LUA_UTILS_HPP
diff --git a/tests/common-import.hpp b/tests/common-import.hpp
index 418344534..637c6ca43 100644
--- a/tests/common-import.hpp
+++ b/tests/common-import.hpp
@@ -1,5 +1,5 @@
-#ifndef OSM2PGSQL_TEST_COMMON_IMPORT_HPP
-#define OSM2PGSQL_TEST_COMMON_IMPORT_HPP
+#ifndef OSM2PGSQL_TESTS_COMMON_IMPORT_HPP
+#define OSM2PGSQL_TESTS_COMMON_IMPORT_HPP
 
 /**
  * SPDX-License-Identifier: GPL-2.0-or-later
@@ -237,4 +237,4 @@ class import_t
 } // namespace db
 } // namespace testing
 
-#endif // OSM2PGSQL_TEST_COMMON_IMPORT_HPP
+#endif // OSM2PGSQL_TESTS_COMMON_IMPORT_HPP
diff --git a/tests/common-pg.hpp b/tests/common-pg.hpp
index ad004ffa5..643459bf0 100644
--- a/tests/common-pg.hpp
+++ b/tests/common-pg.hpp
@@ -1,5 +1,5 @@
-#ifndef OSM2PGSQL_TEST_COMMON_PG_HPP
-#define OSM2PGSQL_TEST_COMMON_PG_HPP
+#ifndef OSM2PGSQL_TESTS_COMMON_PG_HPP
+#define OSM2PGSQL_TESTS_COMMON_PG_HPP
 
 /**
  * SPDX-License-Identifier: GPL-2.0-or-later
@@ -153,4 +153,4 @@ class tempdb_t
 } // namespace pg
 } // namespace testing
 
-#endif // OSM2PGSQL_TEST_COMMON_PG_HPP
+#endif // OSM2PGSQL_TESTS_COMMON_PG_HPP