diff --git a/libraries/chain/protocol/transaction.cpp b/libraries/chain/protocol/transaction.cpp
index 70ec4395..bf22db15 100644
--- a/libraries/chain/protocol/transaction.cpp
+++ b/libraries/chain/protocol/transaction.cpp
@@ -102,6 +102,8 @@ void transaction::get_required_authorities( flat_set<account_id_type>& active, f
 {
    for( const auto& op : operations )
       operation_get_required_authorities( op, active, owner, other );
+   for( const auto& account : owner )
+      active.erase( account );
 }