diff --git a/action.php b/action.php
index 07e41c6..3069b15 100644
--- a/action.php
+++ b/action.php
@@ -44,6 +44,7 @@ switch ($VARS['action']) {
         }
         $note->setText($VARS['content']);
         $note->setColor($VARS['color']);
+        $note->setModified(date("Y-m-d H:i:s"));
         $note->saveNote();
         if (isset($VARS['reload'])) {
             returnToSender("", "&note=" . $note->getID());
@@ -123,6 +124,7 @@ switch ($VARS['action']) {
             die($Strings->get("invalid parameters"));
         }
         $note->setColor($VARS['color']);
+        $note->setModified(date("Y-m-d H:i:s"));
         $note->saveNote();
         returnToSender("");
         break;
@@ -135,6 +137,7 @@ switch ($VARS['action']) {
             die($Strings->get("invalid parameters"));
         }
         $note->toChecklist();
+        $note->setModified(date("Y-m-d H:i:s"));
         $note->saveNote();
         returnToSender("");
         break;
@@ -149,6 +152,7 @@ switch ($VARS['action']) {
 
         if (!empty($VARS['text'])) {
             $note->toggleChecklistItem($VARS['text']);
+            $note->setModified(date("Y-m-d H:i:s"));
             $note->saveNote();
         }