diff --git a/databases/xtrabackup81/files/patch-sql_auth_sql__authorization.cc b/databases/xtrabackup81/files/patch-sql_auth_sql__authorization.cc
new file mode 100644
index 000000000000..95b8518d0a9a
--- /dev/null
+++ b/databases/xtrabackup81/files/patch-sql_auth_sql__authorization.cc
@@ -0,0 +1,13 @@
+--- sql/auth/sql_authorization.cc.orig	2023-10-19 12:05:28 UTC
++++ sql/auth/sql_authorization.cc
+@@ -7437,6 +7437,10 @@ bool operator==(const Role_id &a, const std::string &b
+   return tmp == b;
+ }
+ 
++bool operator==(const Role_id &a, const LEX_CSTRING &b) {
++  return a == to_string(b);
++}
++
+ bool operator==(const std::pair<Role_id, bool> &a, const std::string &b) {
+   return a.first == b;
+ }