diff --git a/config/resources.ini.in b/config/resources.ini.in
old mode 100644
new mode 100755
index 5cf86e817..aca3a227a
--- a/config/resources.ini.in
+++ b/config/resources.ini.in
@@ -17,6 +17,7 @@
 type                = db
 db                  = @internal_db_type@
 host                = @internal_db_host@
+port                = @internal_db_port@
 password            = @internal_db_pass@
 username            = @internal_db_user@
 dbname              = @internal_db_name@
@@ -25,7 +26,7 @@ dbname              = @internal_db_name@
 type                = db
 db                  = @ido_db_type@
 host                = @ido_host@
+port                = @ido_port@
 password            = @ido_user@
 username            = @ido_user@
-port                = @ido_port@
 dbname              = @ido_database@
diff --git a/library/Icinga/Application/DbAdapterFactory.php b/library/Icinga/Application/DbAdapterFactory.php
index 92604f5ce..56ea4afd3 100644
--- a/library/Icinga/Application/DbAdapterFactory.php
+++ b/library/Icinga/Application/DbAdapterFactory.php
@@ -219,8 +219,10 @@ class DbAdapterFactory implements ConfigAwareFactory
         );
         switch ($config->db) {
             case 'mysql':
+                $options['port'] = $config->get('port', 3306);
                 return self::callFactory('Pdo_Mysql', $options);
             case 'pgsql':
+                $options['port'] = $config->get('port', 5432);
                 return self::callFactory('Pdo_Pgsql', $options);
             default:
                 if (!$config->db) {