diff --git a/libevmasm/CommonSubexpressionEliminator.h b/libevmasm/CommonSubexpressionEliminator.h
index 68d40d5ac..b0810a9a1 100644
--- a/libevmasm/CommonSubexpressionEliminator.h
+++ b/libevmasm/CommonSubexpressionEliminator.h
@@ -179,7 +179,7 @@ AssemblyItemIterator CommonSubexpressionEliminator::feedItems(
 )
 {
 	assertThrow(!m_breakingItem, OptimizerException, "Invalid use of CommonSubexpressionEliminator.");
-	unsigned const maxChunkSize = 1000;
+	unsigned const maxChunkSize = 2000;
 	unsigned chunkSize = 0;
 	for (
 		;