diff --git a/MdeModulePkg/Bus/Scsi/ScsiBusDxe/ScsiBus.c b/MdeModulePkg/Bus/Scsi/ScsiBusDxe/ScsiBus.c
index b10e25a38e..0802b61726 100644
--- a/MdeModulePkg/Bus/Scsi/ScsiBusDxe/ScsiBus.c
+++ b/MdeModulePkg/Bus/Scsi/ScsiBusDxe/ScsiBus.c
@@ -1040,7 +1040,7 @@ ScsiExecuteSCSICommand (
       //
       Status = gBS->CreateEvent (
                        EVT_NOTIFY_SIGNAL,
-                       TPL_CALLBACK,
+                       TPL_NOTIFY,
                        NotifyFunction,
                        &EventData,
                        &PacketEvent