diff --git a/include/helper.h b/include/helper.h
index f4c1592..23059c6 100644
--- a/include/helper.h
+++ b/include/helper.h
@@ -2,8 +2,8 @@
 // Created by Patrick Maschek on 24.12.2023.
 //
 
-#ifndef UDIFF_HELPER_H_
-#define UDIFF_HELPER_H_
+#ifndef CONST_CONTAINER_HELPER_H_
+#define CONST_CONTAINER_HELPER_H_
 
 #include <cstddef>
 
@@ -63,4 +63,4 @@ namespace cc::helper {
 
 }; // cc
 
-#endif //UDIFF_HELPER_H_
+#endif //CONST_CONTAINER_HELPER_H_