diff --git a/main.go b/main.go
index 52df847..1a2ec60 100644
--- a/main.go
+++ b/main.go
@@ -25,6 +25,7 @@ func main() {
 	}
 
 	app := cli.NewApp()
+	app.DisableSliceFlagSeparator = true
 	app.Name = "Drone SSH"
 	app.Usage = "Executing remote ssh commands"
 	app.Copyright = "Copyright (c) 2019 Bo-Yi Wu"