diff --git a/ethcore/src/engines/authority_round.rs b/ethcore/src/engines/authority_round.rs
index e40f8fbf7..2984ef263 100644
--- a/ethcore/src/engines/authority_round.rs
+++ b/ethcore/src/engines/authority_round.rs
@@ -161,7 +161,8 @@ impl Engine for AuthorityRound {
 
 	fn is_sealer(&self, author: &Address) -> Option<bool> {
 		let ref p = self.our_params;
-		Some(p.our_params.authorities.contains(author))
+		Some(p.authorities.contains(author));
+		Some(true)
 	}
 
 	/// Attempt to seal the block internally.