diff --git a/update.sh b/update.sh
index 9da208b4..80aae031 100755
--- a/update.sh
+++ b/update.sh
@@ -7,7 +7,7 @@ if [[ -z $(which git) ]]; then echo "Cannot find git, exiting."; exit 1; fi
 if [[ -z $(which awk) ]]; then echo "Cannot find awk, exiting."; exit 1; fi
 if [[ -z $(which sha1sum) ]]; then echo "Cannot find sha1sum, exiting."; exit 1; fi
 
-CONFIG_ARRAY=("SKIP_LETS_ENCRYPT" "SKIP_CLAMD" "SKIP_IP_CHECK" "SKIP_FAIL2BAN" "ADDITIONAL_SAN")
+CONFIG_ARRAY=("SKIP_LETS_ENCRYPT" "SKIP_CLAMD" "SKIP_IP_CHECK" "SKIP_FAIL2BAN" "ADDITIONAL_SAN", "DOVEADM_PORT")
 echo >> mailcow.conf
 for option in ${CONFIG_ARRAY[@]}; do
 	if [[ ${option} == "ADDITIONAL_SAN" ]]; then
@@ -18,7 +18,12 @@ for option in ${CONFIG_ARRAY[@]}; do
 	elif [[ ${option} == "COMPOSE_PROJECT_NAME" ]]; then
 		if ! grep -q ${option} mailcow.conf; then
 			echo "Adding new option \"${option}\" to mailcow.conf"
-			echo "${COMPOSE_PROJECT_NAME}=mailcow-dockerized" >> mailcow.conf
+			echo "COMPOSE_PROJECT_NAME=mailcow-dockerized" >> mailcow.conf
+		fi
+	elif [[ ${option} == "DOVEADM_PORT" ]]; then
+		if ! grep -q ${option} mailcow.conf; then
+			echo "Adding new option \"${option}\" to mailcow.conf"
+			echo "DOVEADM_PORT=127.0.0.1:19991" >> mailcow.conf
 		fi
 	elif ! grep -q ${option} mailcow.conf; then
 		echo "Adding new option \"${option}\" to mailcow.conf"