diff --git a/drivers/gpu/drm/xe/tests/xe_pci.c b/drivers/gpu/drm/xe/tests/xe_pci.c
index bb0393475524..a82cab7a2b86 100644
--- a/drivers/gpu/drm/xe/tests/xe_pci.c
+++ b/drivers/gpu/drm/xe/tests/xe_pci.c
@@ -351,7 +351,7 @@ int xe_pci_fake_device_init(struct xe_device *xe)
 
 	if (!data) {
 		desc = (const void *)ent->driver_data;
-		subplatform_desc = NULL;
+		subplatform_desc = desc->subplatforms;
 		goto done;
 	}