diff --git a/apps/opencs/view/world/idcompletiondelegate.hpp b/apps/opencs/view/world/idcompletiondelegate.hpp
index 979c10c343..d2ac6874f6 100644
--- a/apps/opencs/view/world/idcompletiondelegate.hpp
+++ b/apps/opencs/view/world/idcompletiondelegate.hpp
@@ -1,5 +1,5 @@
-#ifndef CSV_WORLD_IDCOMPLETIONMANAGER_HPP
-#define CSV_WORLD_IDCOMPLETIONMANAGER_HPP
+#ifndef CSV_WORLD_IDCOMPLETIONDELEGATE_HPP
+#define CSV_WORLD_IDCOMPLETIONDELEGATE_HPP
 
 #include "util.hpp"