diff --git a/reactos/ntoskrnl/include/internal/ps_i.h b/reactos/ntoskrnl/include/internal/ps_i.h
index eec9d57938e..74af8f811b5 100644
--- a/reactos/ntoskrnl/include/internal/ps_i.h
+++ b/reactos/ntoskrnl/include/internal/ps_i.h
@@ -393,7 +393,7 @@ static const INFORMATION_CLASS_INFO PsThreadInfoClass[] =
     (
         HANDLE,
         ULONG,
-        ICIF_QUERY
+        ICIF_QUERY | ICIF_SET
     ),
 
     /* ThreadDescriptorTableEntry */