diff --git a/changedetectionio/__init__.py b/changedetectionio/__init__.py
index d3388972..1c5f90e1 100644
--- a/changedetectionio/__init__.py
+++ b/changedetectionio/__init__.py
@@ -1277,6 +1277,13 @@ def changedetection_app(config=None, datastore_o=None):
                     datastore.data['watching'][uuid.strip()]['paused'] = False
             flash("{} watches unpaused".format(len(uuids)))
 
+        elif (op == 'mark-viewed'):
+            for uuid in uuids:
+                uuid = uuid.strip()
+                if datastore.data['watching'].get(uuid):
+                    datastore.set_last_viewed(uuid, int(time.time()))
+            flash("{} watches updated".format(len(uuids)))
+
         elif (op == 'mute'):
             for uuid in uuids:
                 uuid = uuid.strip()
diff --git a/changedetectionio/templates/watch-overview.html b/changedetectionio/templates/watch-overview.html
index 1d0fef8a..142b1302 100644
--- a/changedetectionio/templates/watch-overview.html
+++ b/changedetectionio/templates/watch-overview.html
@@ -37,6 +37,7 @@
         <button class="pure-button button-secondary button-xsmall"  name="op" value="mute">Mute</button>
         <button class="pure-button button-secondary button-xsmall"  name="op" value="unmute">UnMute</button>
         <button class="pure-button button-secondary button-xsmall" name="op" value="recheck">Recheck</button>
+        <button class="pure-button button-secondary button-xsmall" name="op" value="mark-viewed">Mark viewed</button>
         <button class="pure-button button-secondary button-xsmall" name="op" value="notification-default">Use default notification</button>
         <button class="pure-button button-secondary button-xsmall" style="background: #dd4242; font-size: 70%" name="op" value="delete">Delete</button>
     </div>