diff --git a/drivers/staging/rtl8821ae/base.c b/drivers/staging/rtl8821ae/base.c
index 30b3d3982703..da04f034e114 100644
--- a/drivers/staging/rtl8821ae/base.c
+++ b/drivers/staging/rtl8821ae/base.c
@@ -1715,7 +1715,7 @@ static ssize_t rtl_store_debug_level(struct device *d,
 	unsigned long val;
 	int ret;
 
-	ret = strict_strtoul(buf, 0, &val);
+	ret = kstrtoul(buf, 0, &val);
 	if (ret) {
 		printk(KERN_DEBUG "%s is not in hex or decimal form.\n", buf);
 	} else {