diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c
index a8b978c..e1914c7 100644
--- a/kernel/power/hibernate.c
+++ b/kernel/power/hibernate.c
@@ -1108,7 +1108,7 @@ static struct attribute * g[] = {
 };
 
 
-static struct attribute_group attr_group = {
+static const struct attribute_group attr_group = {
 	.attrs = g,
 };