diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c
index 66b1bdc63284..7bcf8b98b8dd 100644
--- a/drivers/s390/cio/ccwgroup.c
+++ b/drivers/s390/cio/ccwgroup.c
@@ -147,7 +147,7 @@ static ssize_t ccwgroup_online_show(struct device *dev,
 
 	online = (gdev->state == CCWGROUP_ONLINE) ? 1 : 0;
 
-	return scnprintf(buf, PAGE_SIZE, "%d\n", online);
+	return sysfs_emit(buf, "%d\n", online);
 }
 
 /*