diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index 5efc5a6..3aa5b19 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -29,7 +29,7 @@
 	int err;
 	unsigned long v;
 
-	err = strict_strtoul(page, 10, &v);
+	err = kstrtoul(page, 10, &v);
 	if (err || v > UINT_MAX)
 		return -EINVAL;