diff --git a/reactos/sdk/include/psdk/cvconst.h b/reactos/sdk/include/psdk/cvconst.h
index 83b529d7f82..80b8e440edc 100644
--- a/reactos/sdk/include/psdk/cvconst.h
+++ b/reactos/sdk/include/psdk/cvconst.h
@@ -78,6 +78,8 @@ enum BasicType
     btBit = 29,
     btBSTR = 30,
     btHresult = 31,
+    btChar16 = 32,
+    btChar32 = 33
 };
 
 /* kind of UDT */