diff --git a/include/ki/pclass/types/EnumType.h b/include/ki/pclass/types/EnumType.h
index ef06c5b..884041e 100644
--- a/include/ki/pclass/types/EnumType.h
+++ b/include/ki/pclass/types/EnumType.h
@@ -1,6 +1,7 @@
 #pragma once
 #include <type_traits>
 #include "ki/pclass/types/Type.h"
+#include "ki/pclass/types/PrimitiveType.h"
 
 namespace ki
 {