diff --git a/reactos/drivers/network/ndis/ndis/miniport.c b/reactos/drivers/network/ndis/ndis/miniport.c
index 8b551db8a13..dd6227f2137 100644
--- a/reactos/drivers/network/ndis/ndis/miniport.c
+++ b/reactos/drivers/network/ndis/ndis/miniport.c
@@ -1600,7 +1600,7 @@ NdisMRegisterAdapterShutdownHandler(
   KeInitializeCallbackRecord(BugcheckContext->CallbackRecord);
 
   KeRegisterBugCheckCallback(BugcheckContext->CallbackRecord, NdisIBugcheckCallback,
-      BugcheckContext, sizeof(BugcheckContext), (PUCHAR)"Ndis Miniport");
+      BugcheckContext, sizeof(*BugcheckContext), (PUCHAR)"Ndis Miniport");
 
   IoRegisterShutdownNotification(Adapter->NdisMiniportBlock.DeviceObject);
 }