diff --git a/workflow/engine/src/ProcessMaker/Services/Api/Light.php b/workflow/engine/src/ProcessMaker/Services/Api/Light.php
index 7b34f0d8c..193cb1844 100644
--- a/workflow/engine/src/ProcessMaker/Services/Api/Light.php
+++ b/workflow/engine/src/ProcessMaker/Services/Api/Light.php
@@ -13,7 +13,7 @@ use Exception;
 use ProcessMaker\BusinessModel\Light as BusinessModelLight;
 use RBAC;
 use ProcessMaker\BusinessModel\Cases as BusinessModelCases;
-use Cases;
+use Cases as ClassesCases;
 use AppDelegation;
 use ProcessMaker\BusinessModel\Lists;
 use ProcessMaker\BusinessModel\Task;
@@ -805,7 +805,7 @@ class Light extends Api
     public function doDeleteCases($app_uid)
     {
         try {
-            $oCase = new Cases();
+            $oCase = new ClassesCases();
             $oCase->removeCase($app_uid);
             $result = array(
                 "message" => G::LoadTranslation("ID_COMMAND_EXECUTED_SUCCESSFULLY")
@@ -1003,7 +1003,7 @@ class Light extends Api
     public function doGetNextStep($pro_uid, $app_uid, $cas_index, $step_pos)
     {
         try {
-            $oCase = new Cases();
+            $oCase = new ClassesCases();
 
             $oAppDelegate = new AppDelegation();
             $alreadyRouted = $oAppDelegate->alreadyRouted($app_uid, $cas_index);
@@ -1046,7 +1046,7 @@ class Light extends Api
 
             $caseVariables = array();
             if (!is_null($app_uid)) {
-                $case = new Cases();
+                $case = new ClassesCases();
                 $fields = $case->loadCase($app_uid, $del_index);
                 $caseVariables = array_merge($fields['APP_DATA'],
                     BusinessModelCases::getGlobalVariables($fields['APP_DATA']));