diff --git a/build.sh b/build.sh
index 2df3f43..d6c3c43 100644
--- a/build.sh
+++ b/build.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 #
 #
-RELEASE_VERSION="0.9.0"
+RELEASE_VERSION="0.9.1"
 
 buildpath=/tmp/gh-ost
 target=gh-ost
diff --git a/go/logic/applier.go b/go/logic/applier.go
index 9262adc..55b4773 100644
--- a/go/logic/applier.go
+++ b/go/logic/applier.go
@@ -558,6 +558,17 @@ func (this *Applier) StopSlaveIOThread() error {
 	return nil
 }
 
+// StartSlaveSQLThread is applicable with --test-on-replica
+func (this *Applier) StopSlaveSQLThread() error {
+	query := `stop /* gh-ost */ slave sql_thread`
+	log.Infof("Verifying SQL thread is stopped")
+	if _, err := sqlutils.ExecNoPrepare(this.db, query); err != nil {
+		return err
+	}
+	log.Infof("SQL thread stopped")
+	return nil
+}
+
 // StartSlaveSQLThread is applicable with --test-on-replica
 func (this *Applier) StartSlaveSQLThread() error {
 	query := `start /* gh-ost */ slave sql_thread`
@@ -573,7 +584,7 @@ func (this *Applier) StopSlaveNicely() error {
 	if err := this.StopSlaveIOThread(); err != nil {
 		return err
 	}
-	if err := this.StartSlaveSQLThread(); err != nil {
+	if err := this.StopSlaveSQLThread(); err != nil {
 		return err
 	}
 	readBinlogCoordinates, executeBinlogCoordinates, err := mysql.GetReplicationBinlogCoordinates(this.db)