diff --git a/ethcore/src/client/client.rs b/ethcore/src/client/client.rs
index 0b11d1837..e2ea3d463 100644
--- a/ethcore/src/client/client.rs
+++ b/ethcore/src/client/client.rs
@@ -253,7 +253,7 @@ impl Client {
 	pub fn flush_queue(&self) {
 		self.block_queue.flush();
 		while !self.block_queue.queue_info().is_empty() {
-			self.import_verified_blocks(&IoChannel::disconnected());
+			self.import_verified_blocks();
 		}
 	}