diff --git a/drivers/s390/char/sclp_ocf.c b/drivers/s390/char/sclp_ocf.c
index f59b71776bbd9f3befc773c43b2352b17396b22d..f9cbb1ab047b527f55ea754c48a5800ed5bdb438 100644
--- a/drivers/s390/char/sclp_ocf.c
+++ b/drivers/s390/char/sclp_ocf.c
@@ -126,7 +126,7 @@ static struct attribute *ocf_attrs[] = {
 	NULL,
 };
 
-static struct attribute_group ocf_attr_group = {
+static const struct attribute_group ocf_attr_group = {
 	.attrs = ocf_attrs,
 };