diff --git a/adm_program/system/classes/Organization.php b/adm_program/system/classes/Organization.php
index 246e076fd9..3e0b5089b6 100644
--- a/adm_program/system/classes/Organization.php
+++ b/adm_program/system/classes/Organization.php
@@ -143,7 +143,7 @@ public function createBasicData($userId)
         // create default category for roles, events and weblinks
         $sql = 'INSERT INTO ' . TBL_CATEGORIES . '
                        (cat_org_id, cat_uuid, cat_type, cat_name_intern, cat_name, cat_default, cat_sequence, cat_usr_id_create, cat_timestamp_create)
-                VALUES (?, ?, \'ROL\', \'COMMON\', \'SYS_COMMON\', 1, 1, ?, ?)';
+                VALUES (?, ?, \'ROL\', \'COMMON\', \'SYS_COMMON\', true, true, ?, ?)';
         $queryParams = array($orgId, Uuid::uuid4(), $systemUserId, DATETIME_NOW);
         $this->db->queryPrepared($sql, $queryParams);
         $categoryCommon = $this->db->lastInsertId();
diff --git a/adm_program/system/classes/TableRoles.php b/adm_program/system/classes/TableRoles.php
index 9c9d5ed049..a0232b9b97 100644
--- a/adm_program/system/classes/TableRoles.php
+++ b/adm_program/system/classes/TableRoles.php
@@ -219,7 +219,7 @@ public function delete()
                       FROM '.TBL_ROLES.'
                 INNER JOIN '.TBL_CATEGORIES.'
                         ON cat_id = rol_cat_id
-                     WHERE rol_default_registration = 1
+                     WHERE rol_default_registration = true
                        AND rol_id    <> ? -- $rolId
                        AND cat_org_id = ? -- $GLOBALS[\'gCurrentOrgId\']';
             $countRolesStatement = $this->db->queryPrepared($sql, array($rolId, $GLOBALS['gCurrentOrgId']));
@@ -531,7 +531,7 @@ public function setValue($columnName, $newValue, $checkValue = true)
                           FROM '.TBL_ROLES.'
                     INNER JOIN '.TBL_CATEGORIES.'
                             ON cat_id = rol_cat_id
-                         WHERE rol_default_registration = 1
+                         WHERE rol_default_registration = true
                            AND rol_id    <> ? -- $this->getValue(\'rol_id\')
                            AND cat_org_id = ? -- $GLOBALS[\'gCurrentOrgId\']';
                 $pdoStatement = $this->db->queryPrepared($sql, array((int) $this->getValue('rol_id'), $GLOBALS['gCurrentOrgId']));
diff --git a/adm_program/system/classes/User.php b/adm_program/system/classes/User.php
index e809edc437..579141c666 100644
--- a/adm_program/system/classes/User.php
+++ b/adm_program/system/classes/User.php
@@ -140,7 +140,7 @@ public function assignDefaultRoles()
                   FROM '.TBL_ROLES.'
             INNER JOIN '.TBL_CATEGORIES.'
                     ON cat_id = rol_cat_id
-                 WHERE rol_default_registration = 1
+                 WHERE rol_default_registration = true
                    AND cat_org_id = ? -- $this->organizationId';
         $defaultRolesStatement = $this->db->queryPrepared($sql, array($this->organizationId));