diff --git a/libraries/chain/protocol/transaction.cpp b/libraries/chain/protocol/transaction.cpp
index 0ca5cd94..98e17238 100644
--- a/libraries/chain/protocol/transaction.cpp
+++ b/libraries/chain/protocol/transaction.cpp
@@ -426,7 +426,7 @@ set<public_key_type> signed_transaction::minimize_required_signatures(
       result.erase( k );
       try
       {
-         graphene::chain::verify_authority( operations, result, get_active, get_owner, get_custom
+         graphene::chain::verify_authority( operations, result, get_active, get_owner, get_custom,
                                             ignore_custom_operation_required_auths, max_recursion );
          continue;  // element stays erased if verify_authority is ok
       }