diff --git a/base.go b/base.go
index 351e102..0494ab3 100644
--- a/base.go
+++ b/base.go
@@ -25,7 +25,7 @@ import (
 
 const (
 	// Version is the current version of ALLHIC
-	Version = "0.8.12"
+	Version = "0.9.8"
 	// LB is lower bound for GoldenArray
 	LB = 18
 	// UB is upper bound for GoldenArray
diff --git a/cmd/allhic.go b/cmd/allhic.go
index 9912242..99a0411 100644
--- a/cmd/allhic.go
+++ b/cmd/allhic.go
@@ -54,7 +54,7 @@ func main() {
 
 	app := cli.NewApp()
 	app.Compiled = time.Now()
-	app.Copyright = "(c) Haibao Tang, Xingtan Zhang 2017-2018"
+	app.Copyright = "(c) Haibao Tang, Xingtan Zhang 2017-2019"
 	app.Name = "ALLHIC"
 	app.Usage = "Genome scaffolding based on Hi-C data"
 	app.Version = allhic.Version
diff --git a/orientation.go b/orientation.go
index e591aa8..b8b483b 100644
--- a/orientation.go
+++ b/orientation.go
@@ -75,7 +75,7 @@ func (r *CLM) flipWhole() (tag string) {
 	}
 	newScore := r.EvaluateQ()
 	tag = ACCEPT
-	if newScore < score {
+	if newScore <= score {
 		copy(r.Signs, oldSigns) // Recover
 		tag = REJECT
 	}