diff --git a/fs/ext4/acl.c b/fs/ext4/acl.c
index 8a2a29d..feaf498 100644
--- a/fs/ext4/acl.c
+++ b/fs/ext4/acl.c
@@ -454,7 +454,7 @@
 	return error;
 }
 
-struct xattr_handler ext4_xattr_acl_access_handler = {
+const struct xattr_handler ext4_xattr_acl_access_handler = {
 	.prefix	= POSIX_ACL_XATTR_ACCESS,
 	.flags	= ACL_TYPE_ACCESS,
 	.list	= ext4_xattr_list_acl_access,
@@ -462,7 +462,7 @@
 	.set	= ext4_xattr_set_acl,
 };
 
-struct xattr_handler ext4_xattr_acl_default_handler = {
+const struct xattr_handler ext4_xattr_acl_default_handler = {
 	.prefix	= POSIX_ACL_XATTR_DEFAULT,
 	.flags	= ACL_TYPE_DEFAULT,
 	.list	= ext4_xattr_list_acl_default,