diff --git a/common.go b/common.go
index 2af51e8..bfe2318 100644
--- a/common.go
+++ b/common.go
@@ -31,7 +31,7 @@ import (
 )
 
 const (
-	REF_STEP_COUNT = 1000
+	REF_STEP_COUNT = 50000
 )
 
 type termJson struct {