diff --git a/workflow/engine/src/ProcessMaker/BusinessModel/CaseScheduler.php b/workflow/engine/src/ProcessMaker/BusinessModel/CaseScheduler.php
index d4a04ac6a..193e4cf33 100644
--- a/workflow/engine/src/ProcessMaker/BusinessModel/CaseScheduler.php
+++ b/workflow/engine/src/ProcessMaker/BusinessModel/CaseScheduler.php
@@ -1010,7 +1010,7 @@ class CaseScheduler
                 case "UPD":
                     $arrayDataAux = $caseScheduler->load($caseSchedulerUid);
 
-                    $arrayCaseSchedulerData["SCH_END_DATE"] = $arrayData["SCH_END_DATE"];
+                    $arrayCaseSchedulerData["SCH_END_DATE"] = ($arrayData["SCH_END_DATE"] != "")? $arrayData["SCH_END_DATE"] : null;
 
                     //If the start date has changed then recalculate the next run time
                     $recalculateDate = ($arrayData["SCH_START_DATE"] == $arrayData["PREV_SCH_START_DATE"])? false : true;