diff --git a/util/autoport/log_maker.go b/util/autoport/log_maker.go
index 15bd51ce3b..a62f8f6ea8 100644
--- a/util/autoport/log_maker.go
+++ b/util/autoport/log_maker.go
@@ -51,7 +51,8 @@ const MAXPROMPTRETRY = 3
 
 func PromptUser(prompt string, opts []string) (match string, err error) {
 	for i := 1; i < MAXPROMPTRETRY; i++ {
-		fmt.Println("%s. (%s) Default:%s", prompt, strings.Join(opts, "/"), opts[0])
+		fmt.Printf("%s. (%s) Default:%s\n", prompt,
+		           strings.Join(opts, "/"), opts[0])
 		var usrInput string
 		fmt.Scanln(&usrInput)