diff --git a/install.php b/install.php
index 7acf6d5d9e7..d71e7a58463 100644
--- a/install.php
+++ b/install.php
@@ -129,7 +129,12 @@ if (!empty($_POST)) {
     $config->dbpass   = trim($_POST['dbpass']);
     $config->dbname   = trim($_POST['dbname']);
     $config->prefix   = trim($_POST['prefix']);
-    $config->dbsocket = (int)(!empty($_POST['dbsocket']));
+    $config->dbport   = (int)trim($_POST['dbport']);
+    $config->dbsocket = trim($_POST['dbsocket']);
+
+    if ($config->dbport <= 0) {
+        $config->dbport = '';
+    }
 
     $config->admin    = empty($_POST['admin']) ? 'admin' : trim($_POST['admin']);
 
@@ -144,7 +149,8 @@ if (!empty($_POST)) {
     $config->dbpass   = '';
     $config->dbname   = 'moodle';
     $config->prefix   = 'mdl_';
-    $config->dbsocket = 0;
+    $config->dbport   = empty($distro->dbport) ? '' : $distro->dbport;
+    $config->dbsocket = empty($distro->dbsocket) ? '' : $distro->dbsocket;
 
     $config->admin    = 'admin';
 
@@ -263,9 +269,9 @@ if ($config->stage == INSTALL_SAVE) {
         $config->stage = INSTALL_DATABASETYPE;
     } else {
         if (function_exists('distro_pre_create_db')) { // Hook for distros needing to do something before DB creation
-            $distro = distro_pre_create_db($database, $config->dbhost, $config->dbuser, $config->dbpass, $config->dbname, $config->prefix, array('dbpersist'=>0, 'dbsocket'=>$config->dbsocket), $distro);
+            $distro = distro_pre_create_db($database, $config->dbhost, $config->dbuser, $config->dbpass, $config->dbname, $config->prefix, array('dbpersist'=>0, 'dbport'=>$config->dbport, 'dbsocket'=>$config->dbsocket), $distro);
         }
-        $hint_database = install_db_validate($database, $config->dbhost, $config->dbuser, $config->dbpass, $config->dbname, $config->prefix, array('dbpersist'=>0, 'dbsocket'=>$config->dbsocket));
+        $hint_database = install_db_validate($database, $config->dbhost, $config->dbuser, $config->dbpass, $config->dbname, $config->prefix, array('dbpersist'=>0, 'dbport'=>$config->dbport, 'dbsocket'=>$config->dbsocket));
 
         if ($hint_database === '') {
             $configphp = install_generate_configphp($database, $CFG);
@@ -405,6 +411,7 @@ if ($config->stage == INSTALL_DATABASE) {
     $strdbuser   = get_string('databaseuser', 'install');
     $strdbpass   = get_string('databasepass', 'install');
     $strprefix   = get_string('dbprefix', 'install');
+    $strdbport   = get_string('databaseport', 'install');
     $strdbsocket = get_string('databasesocket', 'install');
 
     echo '<div class="userinput">';
@@ -432,11 +439,13 @@ if ($config->stage == INSTALL_DATABASE) {
     echo '<input id="id_prefix" name="prefix" type="text" value="'.s($config->prefix).'" size="10" class="forminput" />';
     echo '</div>';
 
+    echo '<div class="formrow"><label for="id_prefix" class="formlabel">'.$strdbport.'</label>';
+    echo '<input id="id_dbport" name="dbport" type="text" value="'.s($config->dbport).'" size="10" class="forminput" />';
+    echo '</div>';
+
     if (!(stristr(PHP_OS, 'win') && !stristr(PHP_OS, 'darwin'))) {
-        $checked = $config->dbsocket ? 'checked="checked' : '';
         echo '<div class="formrow"><label for="id_dbsocket" class="formlabel">'.$strdbsocket.'</label>';
-        echo '<input type="hidden" value="0" name="dbsocket" />';
-        echo '<input type="checkbox" id="id_dbsocket" value="1" name="dbsocket" '.$checked.' class="forminput" />';
+        echo '<input id="id_dbsocket" name="dbsocket" type="text" value="'.s($config->dbsocket).'" size="50" class="forminput" />';
         echo '</div>';
     }
 
diff --git a/lang/en/install.php b/lang/en/install.php
index e936e0d06e2..f744ec593c6 100644
--- a/lang/en/install.php
+++ b/lang/en/install.php
@@ -86,6 +86,7 @@ $string['databasehead'] = 'Database settings';
 $string['databasehost'] = 'Database host';
 $string['databasename'] = 'Database name';
 $string['databasepass'] = 'Database password';
+$string['databaseport'] = 'Database port';
 $string['databasesettings'] = 'Now you need to configure the database where most Moodle data
     will be stored.  This database must already have been created
     and a username and password created to access it.<br />