diff --git a/reactos/ntoskrnl/io/deviface.c b/reactos/ntoskrnl/io/deviface.c
index 344bf7b59f2..0c60f9c8b41 100644
--- a/reactos/ntoskrnl/io/deviface.c
+++ b/reactos/ntoskrnl/io/deviface.c
@@ -837,6 +837,8 @@ IoSetDeviceInterfaceState(
       &GuidString,
       (PVOID)SymbolicLinkName);
    
+   ObDereferenceObject(FileObject);
+   
    return STATUS_SUCCESS;
 }