diff --git a/reactos/ntoskrnl/io/pnpmgr/pnpmgr.c b/reactos/ntoskrnl/io/pnpmgr/pnpmgr.c
index cd0859b261b..0871047c33a 100644
--- a/reactos/ntoskrnl/io/pnpmgr/pnpmgr.c
+++ b/reactos/ntoskrnl/io/pnpmgr/pnpmgr.c
@@ -2629,7 +2629,7 @@ IopIsAcpiComputer(VOID)
    NTSTATUS Status;
    BOOLEAN ret = FALSE;
 
-   InitializeObjectAttributes(&ObjectAttributes, &MultiKeyPathU, OBJ_KERNEL_HANDLE, NULL, NULL);
+   InitializeObjectAttributes(&ObjectAttributes, &MultiKeyPathU, OBJ_KERNEL_HANDLE | OBJ_CASE_INSENSITIVE, NULL, NULL);
    Status = ZwOpenKey(&hDevicesKey, KEY_ENUMERATE_SUB_KEYS, &ObjectAttributes);
    if (!NT_SUCCESS(Status))
    {