diff --git a/workflow/engine/src/ProcessMaker/BusinessModel/TaskSchedulerBM.php b/workflow/engine/src/ProcessMaker/BusinessModel/TaskSchedulerBM.php
index f095e83e5..c0a23bed6 100755
--- a/workflow/engine/src/ProcessMaker/BusinessModel/TaskSchedulerBM.php
+++ b/workflow/engine/src/ProcessMaker/BusinessModel/TaskSchedulerBM.php
@@ -32,7 +32,7 @@ class TaskSchedulerBM
             "filew" => "workflow\\engine\bin\cron.php",
             "startingTime" => null,
             "endingTime" => null,
-            "timezone" => null,
+            "timezone" => "default",
             "everyOn" => "1",
             "interval" => "week",
             "expression" => "0 0 * * 0,1,2,3,4,5,6",
@@ -62,7 +62,7 @@ class TaskSchedulerBM
             "filew" => "workflow\\engine\bin\cron.php",
             "startingTime" => null,
             "endingTime" => null,
-            "timezone" => null,
+            "timezone" => "default",
             "everyOn" => "1",
             "interval" => "week",
             "expression" => "0 0 * * 0,1,2,3,4,5,6",
@@ -185,7 +185,7 @@ class TaskSchedulerBM
             "filew" => "workflow\\engine\bin\ldapcron.php",
             "startingTime" => null,
             "endingTime" => null,
-            "timezone" => null,
+            "timezone" => "default",
             "everyOn" => "1",
             "interval" => "week",
             "expression" => "0 0 * * 0,1,2,3,4,5,6",
@@ -200,7 +200,7 @@ class TaskSchedulerBM
             "filew" => "workflow\\engine\bin\cron.php",
             "startingTime" => null,
             "endingTime" => null,
-            "timezone" => null,
+            "timezone" => "default",
             "everyOn" => "1",
             "interval" => "week",
             "expression" => "0 0 * * 0,1,2,3,4,5,6",