diff --git a/ethcore/src/miner/miner.rs b/ethcore/src/miner/miner.rs
index 84c6a5451..c2b954de6 100644
--- a/ethcore/src/miner/miner.rs
+++ b/ethcore/src/miner/miner.rs
@@ -263,7 +263,7 @@ impl Miner {
 				let pow_hash = block.block().fields().header.hash();
 				let number = block.block().fields().header.number();
 				let difficulty = *block.block().fields().header.difficulty();
-				let is_new = original_work_hash.map_or(false, |h| block.block().fields().header.hash() == h);
+				let is_new = original_work_hash.map_or(true, |h| block.block().fields().header.hash() != h);
 				sealing_work.push(block);
 				// If push notifications are enabled we assume all work items are used.
 				if self.work_poster.is_some() {