diff --git a/install_update_dovecot.sh b/install_update_dovecot.sh
index 264cb9a..faa279b 100755
--- a/install_update_dovecot.sh
+++ b/install_update_dovecot.sh
@@ -168,16 +168,16 @@ fi
 ## -
 if [[ -n "$ipv6" ]] ; then
    [[ -n "$imap_listener_adresses" ]] || imap_listener_adresses="127.0.0.1 $ipv4 $ipv6"
-   [[ -n "$imaps_listener_adresses" ]] || imaps_listener_adresses="$ipv4 $ipv6"
+   [[ -n "$imaps_listener_adresses" ]] || imaps_listener_adresses="127.0.0.1 $ipv4 $ipv6"
 
    [[ -n "$pop_listener_adresses" ]] || pop_listener_adresses="$ipv4 $ipv6"
-   [[ -n "$pops_listener_adresses" ]] || pops_listener_adresses="$ipv4 $ipv6"
+   [[ -n "$pops_listener_adresses" ]] || pops_listener_adresses="127.0.0.1 $ipv4 $ipv6"
 else
    [[ -n "$imap_listener_adresses" ]] || imap_listener_adresses="127.0.0.1 $ipv4"
-   [[ -n "$imaps_listener_adresses" ]] || imaps_listener_adresses="$ipv4"
+   [[ -n "$imaps_listener_adresses" ]] || imaps_listener_adresses="127.0.0.1 $ipv4"
 
    [[ -n "$pop_listener_adresses" ]] || pop_listener_adresses="$ipv4"
-   [[ -n "$pops_listener_adresses" ]] || pops_listener_adresses="$ipv4"
+   [[ -n "$pops_listener_adresses" ]] || pops_listener_adresses="127.0.0.1 $ipv4"
 fi
 
 [[ -n "$xmpp_listener" ]] || xmpp_listener=false