diff --git a/workflow/engine/classes/class.pmFunctions.php b/workflow/engine/classes/class.pmFunctions.php
index 49ee94616..040ddb450 100644
--- a/workflow/engine/classes/class.pmFunctions.php
+++ b/workflow/engine/classes/class.pmFunctions.php
@@ -3016,13 +3016,13 @@ function PMFUnpauseCase ($caseUid, $delIndex, $userUid)
  * @param string(32) | $taskUid | ID of the task | The unique ID of the task.
  * @param string(32) | $userUid | ID user | The unique ID of the user who will add note case.
  * @param string | $note | Note of the case | Note of the case.
- * @param int | $sendMail = 1 | Send mail | Optional parameter. If set to 1, will send an email to all participants in the case.
+ * @param int | $sendMail = 0 | Send mail | Optional parameter. If set to 1, will send an email to all participants in the case.
  * @param array | $files | Array of files | An array of files (full paths) to be attached to the case notes.
  * 
  * @return int | $result | Result of the add a case note | Returns 1 if the note has been added to the case.; otherwise, returns 0 if an error occurred.
  *
  */
-function PMFAddCaseNote($caseUid, $processUid, $taskUid, $userUid, $note, $sendMail = 1, $files = [])
+function PMFAddCaseNote($caseUid, $processUid, $taskUid, $userUid, $note, $sendMail = 0, $files = [])
 {
     $ws = new WsBase();
     $result = $ws->addCaseNote($caseUid, $processUid, $taskUid, $userUid, $note, $sendMail, $files);
diff --git a/workflow/engine/templates/app/main.js b/workflow/engine/templates/app/main.js
index 8d9e79aaf..c1b64b886 100644
--- a/workflow/engine/templates/app/main.js
+++ b/workflow/engine/templates/app/main.js
@@ -302,7 +302,7 @@ function openCaseNotesWindow(appUid1, delIndex, modalSw, appTitle, proUid, taskU
             xtype: "checkbox",
             id: "chkSendMail",
             name: "chkSendMail",
-            checked: true,
+            checked: false,
             boxLabel: _("ID_CASE_NOTES_LABEL_SEND")
         },
         '->',