diff --git a/plugins/fail2ban/install.sh b/plugins/fail2ban/install.sh
index 7bb0b61cd..2659bacc4 100755
--- a/plugins/fail2ban/install.sh
+++ b/plugins/fail2ban/install.sh
@@ -1,6 +1,7 @@
 #!/bin/bash
 PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin:/opt/homebrew/bin
 export PATH
+export DEBIAN_FRONTEND=noninteractive
 
 curPath=`pwd`
 rootPath=$(dirname "$curPath")