diff --git a/src/sys/callbacks.c b/src/sys/callbacks.c
index e1638db4..2fa19012 100644
--- a/src/sys/callbacks.c
+++ b/src/sys/callbacks.c
@@ -308,7 +308,7 @@ VOID FspPropagateTopFlags(PIRP Irp, PIRP TopLevelIrp)
         {
             DEBUGBREAK_EX(iorecu);
 
-            FspIrpSetTopFlags(Irp, FspIrpFlags(TopLevelIrp));
+            FspIrpSetTopFlags(Irp, FspIrpTopFlags(TopLevelIrp) | FspIrpFlags(TopLevelIrp));
         }
     }
 }