diff --git a/ethcore/src/miner/miner.rs b/ethcore/src/miner/miner.rs
index 3d1389f3c..5d8d73837 100644
--- a/ethcore/src/miner/miner.rs
+++ b/ethcore/src/miner/miner.rs
@@ -305,7 +305,7 @@ impl Miner {
 
 	fn forced_sealing(&self) -> bool {
 		self.options.force_sealing
-			|| !self.options.new_work_notify.is_empty()
+			|| !self.notifiers.read().is_empty()
 			|| Instant::now() > *self.next_mandatory_reseal.read()
 	}