diff --git a/make/install.sh b/make/install.sh
index a13d27a49..25247c951 100755
--- a/make/install.sh
+++ b/make/install.sh
@@ -160,7 +160,7 @@ echo ""
 h2 "[Step $item]: preparing environment ...";  let item+=1
 if [ -n "$host" ]
 then
-	sed "s/^hostname: .*/hostname = $host/g" -i ./harbor.yml
+	sed "s/^hostname: .*/hostname: $host/g" -i ./harbor.yml
 fi
 prepare_para=
 if [ $with_notary ]