diff --git a/drivers/net/wireless/intel/iwlegacy/3945-mac.c b/drivers/net/wireless/intel/iwlegacy/3945-mac.c
index 38bf403bb1e1ad06e45c0587832156276a176c03..329f3a63dadd6e5f8ab2c3991481cd0997b1e265 100644
--- a/drivers/net/wireless/intel/iwlegacy/3945-mac.c
+++ b/drivers/net/wireless/intel/iwlegacy/3945-mac.c
@@ -3464,7 +3464,7 @@ static struct attribute *il3945_sysfs_entries[] = {
 	NULL
 };
 
-static struct attribute_group il3945_attribute_group = {
+static const struct attribute_group il3945_attribute_group = {
 	.name = NULL,		/* put in device directory */
 	.attrs = il3945_sysfs_entries,
 };