diff --git a/core/components/formalicious/src/Formalicious/Model/mysql/FormaliciousFieldType.php b/core/components/formalicious/src/Formalicious/Model/mysql/FormaliciousFieldType.php
index 5b28b5c..f90add0 100644
--- a/core/components/formalicious/src/Formalicious/Model/mysql/FormaliciousFieldType.php
+++ b/core/components/formalicious/src/Formalicious/Model/mysql/FormaliciousFieldType.php
@@ -2,6 +2,7 @@
 namespace Sterc\Formalicious\Model\mysql;
 
 use xPDO\xPDO;
+use Sterc\Formalicious\Model\FormaliciousField;
 
 class FormaliciousFieldType extends \Sterc\Formalicious\Model\FormaliciousFieldType
 {
@@ -88,7 +89,7 @@ class FormaliciousFieldType extends \Sterc\Formalicious\Model\FormaliciousFieldT
         array (
             'Fields' => 
             array (
-                'class' => 'FormaliciousField',
+                'class' => FormaliciousField::class,
                 'local' => 'id',
                 'foreign' => 'type',
                 'cardinality' => 'many',
diff --git a/core/components/formalicious/src/Formalicious/Model/mysql/FormaliciousForm.php b/core/components/formalicious/src/Formalicious/Model/mysql/FormaliciousForm.php
index 48b069d..befc824 100644
--- a/core/components/formalicious/src/Formalicious/Model/mysql/FormaliciousForm.php
+++ b/core/components/formalicious/src/Formalicious/Model/mysql/FormaliciousForm.php
@@ -2,6 +2,8 @@
 namespace Sterc\Formalicious\Model\mysql;
 
 use xPDO\xPDO;
+use Sterc\Formalicious\Model\FormaliciousStep;
+use Sterc\Formalicious\Model\FormaliciousCategory;
 
 class FormaliciousForm extends \Sterc\Formalicious\Model\FormaliciousForm
 {
@@ -254,7 +256,7 @@ class FormaliciousForm extends \Sterc\Formalicious\Model\FormaliciousForm
         array (
             'Steps' => 
             array (
-                'class' => 'FormaliciousStep',
+                'class' => FormaliciousStep::class,
                 'local' => 'id',
                 'foreign' => 'form_id',
                 'cardinality' => 'many',
@@ -265,7 +267,7 @@ class FormaliciousForm extends \Sterc\Formalicious\Model\FormaliciousForm
         array (
             'Category' => 
             array (
-                'class' => 'FormaliciousCategory',
+                'class' => FormaliciousCategory::class,
                 'local' => 'category_id',
                 'foreign' => 'id',
                 'cardinality' => 'one',