diff --git a/src/entt/entity/storage_mixin.hpp b/src/entt/entity/storage_mixin.hpp
index 470b0262e..f791f13f6 100644
--- a/src/entt/entity/storage_mixin.hpp
+++ b/src/entt/entity/storage_mixin.hpp
@@ -1,5 +1,5 @@
-#ifndef ENTT_ENTITY_SIGH_STORAGE_MIXIN_HPP
-#define ENTT_ENTITY_SIGH_STORAGE_MIXIN_HPP
+#ifndef ENTT_ENTITY_STORAGE_MIXIN_HPP
+#define ENTT_ENTITY_STORAGE_MIXIN_HPP
 
 #include <utility>
 #include "../config/config.h"