diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c
index 7e2c43f701bc451463c5273ed3a5a1e49f6be15f..2b2181cdeb6323d6d64afcd7314055b55b8edcaa 100644
--- a/drivers/nvdimm/bus.c
+++ b/drivers/nvdimm/bus.c
@@ -62,7 +62,7 @@ static int nvdimm_bus_match(struct device *dev, struct device_driver *drv)
 {
 	struct nd_device_driver *nd_drv = to_nd_device_driver(drv);
 
-	return test_bit(to_nd_device_type(dev), &nd_drv->type);
+	return !!test_bit(to_nd_device_type(dev), &nd_drv->type);
 }
 
 static struct module *to_bus_provider(struct device *dev)