diff --git a/start.sh b/start.sh
index 52fb4ec..5c9b8b5 100755
--- a/start.sh
+++ b/start.sh
@@ -9,7 +9,7 @@ if ! [ -f /app/data/.installed ]; then
   rsync -a /app/code/data-orig/ /app/data/
   php cli/do-install.php \
     --environment production --default_user admin \
-    --db-type mysql --db-host "${MYSQL_HOST}:${MYSQL_PORT}" \
+    --db-type mysql --db-host "${MYSQL_HOST}" \
     --db-user "${MYSQL_USERNAME}" --db-password "${MYSQL_PASSWORD}" \
     --db-base "${MYSQL_DATABASE}" --db-prefix "" \
     --disable_update
@@ -29,7 +29,7 @@ done
 
 echo "Updating config file"
 php cli/reconfigure.php --default_user admin --base_url "https://${APP_DOMAIN}/p" \
-    --db-type mysql --db-host "${MYSQL_HOST}:${MYSQL_PORT}" \
+    --db-type mysql --db-host "${MYSQL_HOST}" \
     --db-user "${MYSQL_USERNAME}" --db-password "${MYSQL_PASSWORD}" \
     --db-base "${MYSQL_DATABASE}" --db-prefix "" \
     --disable_update