diff --git a/src/backend/utils/adt/hbafuncs.c b/src/backend/utils/adt/hbafuncs.c
index dcc95b24330..03c38e8c451 100644
--- a/src/backend/utils/adt/hbafuncs.c
+++ b/src/backend/utils/adt/hbafuncs.c
@@ -37,12 +37,12 @@ static void fill_ident_view(Tuplestorestate *tuple_store, TupleDesc tupdesc);
 /*
  * This macro specifies the maximum number of authentication options
  * that are possible with any given authentication method that is supported.
- * Currently LDAP supports 11, and there are 3 that are not dependent on
+ * Currently LDAP supports 12, and there are 3 that are not dependent on
  * the auth method here.  It may not actually be possible to set all of them
  * at the same time, but we'll set the macro value high enough to be
  * conservative and avoid warnings from static analysis tools.
  */
-#define MAX_HBA_OPTIONS 14
+#define MAX_HBA_OPTIONS 15
 
 /*
  * Create a text array listing the options specified in the HBA line.