diff --git a/email_core/boot.d/amavis b/email_core/boot.d/amavis
index ac21852..c591e84 100644
--- a/email_core/boot.d/amavis
+++ b/email_core/boot.d/amavis
@@ -51,7 +51,7 @@ function add_amavis () {
     echo "  -o smtpd_end_of_data_restrictions=" >> $POSTFIX_MASTER_CF
     # Painfull way to get amavis IP
     amavis_ip=$(getent hosts amavis | awk '{print $1}')
-    echo "  -o mynetworks=127.0.0.0/8, $amavis_ip" >> $POSTFIX_MASTER_CF
+    echo "  -o mynetworks=127.0.0.0/8,$amavis_ip" >> $POSTFIX_MASTER_CF
 
     echo "  -o smtpd_error_sleep_time=0" >> $POSTFIX_MASTER_CF
     echo "  -o smtpd_soft_error_limit=1001" >> $POSTFIX_MASTER_CF