diff --git a/apprise/plugins/slack.py b/apprise/plugins/slack.py
index 9e1ed46c..39eb3df6 100644
--- a/apprise/plugins/slack.py
+++ b/apprise/plugins/slack.py
@@ -274,7 +274,7 @@ class NotifySlack(NotifyBase):
             "timestamp": {
                 "name": _("Include Timestamp"),
                 "type": "bool",
-                "default": False,
+                "default": True,
                 "map_to": "include_timestamp",
             },
             "token": {