diff --git a/application/config/version.php b/application/config/version.php
index f2020d67c93..c879b9914ae 100644
--- a/application/config/version.php
+++ b/application/config/version.php
@@ -11,8 +11,9 @@
  * See COPYRIGHT.php for copyright notices and details.
  */
 
+
 $config['versionnumber'] = '6.4.4';
-$config['dbversionnumber'] = 622;
+$config['dbversionnumber'] = 623;
 $config['buildnumber'] = '';
 $config['updatable'] = true;
 $config['templateapiversion']  = 3;
diff --git a/application/helpers/update/updates/Update_619.php b/application/helpers/update/updates/Update_619.php
index 252e1f59df2..b673f4d2f2b 100644
--- a/application/helpers/update/updates/Update_619.php
+++ b/application/helpers/update/updates/Update_619.php
@@ -11,6 +11,6 @@ class Update_619 extends DatabaseUpdateBase
      */
     public function up()
     {
-        $this->db->createCommand()->addColumn('{{users}}', 'user_status', 'BOOLEAN DEFAULT TRUE');
+        $this->db->createCommand()->addColumn('{{users}}', 'user_status', 'integer DEFAULT 1');
     }
 }
diff --git a/application/helpers/update/updates/Update_623.php b/application/helpers/update/updates/Update_623.php
new file mode 100644
index 00000000000..4a7ba07fa89
--- /dev/null
+++ b/application/helpers/update/updates/Update_623.php
@@ -0,0 +1,23 @@
+<?php
+
+namespace LimeSurvey\Helpers\Update;
+
+use LimeSurvey\Helpers\Update\DatabaseUpdateBase;
+
+class Update_623 extends DatabaseUpdateBase
+{
+    /**
+     * @inheritDoc
+     */
+    public function up()
+    {
+        if (\Yii::app()->db->driverName == 'pgsql') {
+            $table = \Yii::app()->db->schema->getTable('{{users}}');
+            if (isset($table->columns['user_status']) && $table->columns['user_status']->dbType != 'integer') {
+                $this->db->createCommand("ALTER TABLE {{users}} ALTER COLUMN user_status DROP DEFAULT;")->execute();
+                $this->db->createCommand("ALTER TABLE {{users}} ALTER COLUMN user_status TYPE INT USING CASE WHEN user_status=TRUE THEN 1 ELSE 0 END;")->execute();
+                $this->db->createCommand("ALTER TABLE {{users}} ALTER COLUMN user_status SET DEFAULT 1;")->execute();
+            }
+        }
+    }
+}
diff --git a/application/models/User.php b/application/models/User.php
index cc81a3c6057..f11af486dd1 100644
--- a/application/models/User.php
+++ b/application/models/User.php
@@ -132,10 +132,11 @@ public function rules()
     /** @inheritdoc */
     public function scopes()
     {
+        $userStatusType = \Yii::app()->db->schema->getTable('{{users}}')->columns['user_status']->dbType;
         $activeScope = array(
             'condition' => 'user_status = :active',
             'params' => array(
-                'active' => 1,
+                'active' => $userStatusType == 'boolean' ? 'TRUE' :  '1',
             )
         );