diff --git a/src/vector.hpp b/src/vector.hpp
index 8a4f33a2f26132c40a676704ddb3f40817083b5b..36ccd75a001852dfbd47c6a08a721942ea3dd748 100644
--- a/src/vector.hpp
+++ b/src/vector.hpp
@@ -5,8 +5,8 @@
  *
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
-#ifndef SIMPLEVECTOR_HPP_
-#define SIMPLEVECTOR_HPP_
+#ifndef VECTOR_HPP_
+#define VECTOR_HPP_
 
 #include <vector>
 
@@ -147,4 +147,4 @@ public:
 
 }
 
-#endif // SIMPLEVECTOR_HPP_
+#endif // VECTOR_HPP_