diff --git a/ethcore/src/miner/miner.rs b/ethcore/src/miner/miner.rs
index d3e32c797..40254b8c2 100644
--- a/ethcore/src/miner/miner.rs
+++ b/ethcore/src/miner/miner.rs
@@ -265,6 +265,10 @@ impl Miner {
 				let difficulty = *block.block().fields().header.difficulty();
 				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() && is_new {
+					sealing_work.use_last_ref();
+				}
 				(Some((pow_hash, difficulty, number)), is_new)
 			} else {
 				(None, false)