diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c
index a60a66d61146..6322269d9e85 100644
--- a/drivers/target/target_core_user.c
+++ b/drivers/target/target_core_user.c
@@ -1672,7 +1672,7 @@ static ssize_t tcmu_emulate_write_cache_store(struct config_item *item,
 }
 CONFIGFS_ATTR(tcmu_, emulate_write_cache);
 
-struct configfs_attribute *tcmu_attrib_attrs[] = {
+static struct configfs_attribute *tcmu_attrib_attrs[] = {
 	&tcmu_attr_cmd_time_out,
 	&tcmu_attr_dev_path,
 	&tcmu_attr_dev_size,