diff --git a/reactos/ntoskrnl/io/pnpmgr/pnpmgr.c b/reactos/ntoskrnl/io/pnpmgr/pnpmgr.c
index 3277eaad29d..60364eddd3b 100644
--- a/reactos/ntoskrnl/io/pnpmgr/pnpmgr.c
+++ b/reactos/ntoskrnl/io/pnpmgr/pnpmgr.c
@@ -260,7 +260,7 @@ IopAsynchronousInvalidateDeviceRelations(
         Data->DeviceObject,
         Data->Type);
 
-    ObDereferenceObject(Data->WorkItem);
+    ObDereferenceObject(Data->DeviceObject);
     IoFreeWorkItem(Data->WorkItem);
     ExFreePool(Data);
 }