diff --git a/drivers/gpu/drm/drm_auth.c b/drivers/gpu/drm/drm_auth.c
index 6e433d465f41d671dd9f92bd9e3f592283077f05..63395bebaa6b9f241211bbfdfd806bd0182a825a 100644
--- a/drivers/gpu/drm/drm_auth.c
+++ b/drivers/gpu/drm/drm_auth.c
@@ -140,7 +140,7 @@ struct drm_master *drm_master_create(struct drm_device *dev)
 
 	kref_init(&master->refcount);
 	drm_master_legacy_init(master);
-	idr_init(&master->magic_map);
+	idr_init_base(&master->magic_map, 1);
 	master->dev = dev;
 
 	/* initialize the tree of output resource lessees */