diff --git a/include/ddk/wdm.h b/include/ddk/wdm.h
index 3865f7f59fa..85d3da56aed 100644
--- a/include/ddk/wdm.h
+++ b/include/ddk/wdm.h
@@ -171,7 +171,7 @@ typedef enum _POOL_TYPE {
   NonPagedPool,
   PagedPool,
   NonPagedPoolMustSucceed,
-  UnkownType,
+  DontUseThisType,
   NonPagedPoolCacheAligned,
   PagedPoolCacheAligned,
   NonPagedPoolCacheAlignedMustS,