diff --git a/include/winternl.h b/include/winternl.h
index 21879d09607..cba517151fc 100644
--- a/include/winternl.h
+++ b/include/winternl.h
@@ -1040,6 +1040,11 @@ typedef struct _OBJECT_NAME_INFORMATION {
     UNICODE_STRING Name;
 } OBJECT_NAME_INFORMATION, *POBJECT_NAME_INFORMATION;
 
+typedef struct __OBJECT_TYPE_INFORMATION {
+    UNICODE_STRING TypeName;
+    ULONG Reserved [22];
+} OBJECT_TYPE_INFORMATION, *POBJECT_TYPE_INFORMATION;
+
 typedef struct _PROCESS_BASIC_INFORMATION {
 #ifdef __WINESRC__
     DWORD_PTR ExitStatus;