diff --git a/runbot_merge/controllers/__init__.py b/runbot_merge/controllers/__init__.py
index bdbd96c8..86d65541 100644
--- a/runbot_merge/controllers/__init__.py
+++ b/runbot_merge/controllers/__init__.py
@@ -369,6 +369,7 @@ def handle_status(env, event):
                 statuses = c.statuses::jsonb || EXCLUDED.statuses::jsonb
             WHERE NOT c.statuses::jsonb @> EXCLUDED.statuses::jsonb
     """, [event['sha'], status_value])
+    env.ref("runbot_merge.process_updated_commits")._trigger()
 
     return 'ok'
 
diff --git a/runbot_merge/data/merge_cron.xml b/runbot_merge/data/merge_cron.xml
index f8736785..b0ff6e1d 100644
--- a/runbot_merge/data/merge_cron.xml
+++ b/runbot_merge/data/merge_cron.xml
@@ -64,7 +64,7 @@
     <field name="model_id" ref="model_runbot_merge_commit"/>
     <field name="state">code</field>
     <field name="code">model._notify()</field>
-    <field name="interval_number">1</field>
+    <field name="interval_number">30</field>
     <field name="interval_type">minutes</field>
     <field name="numbercall">-1</field>
     <field name="doall" eval="False"/>
diff --git a/runbot_merge/models/pull_requests.py b/runbot_merge/models/pull_requests.py
index 5685721e..9b57924b 100644
--- a/runbot_merge/models/pull_requests.py
+++ b/runbot_merge/models/pull_requests.py
@@ -1781,11 +1781,14 @@ class Commit(models.Model):
     def create(self, values):
         values['to_check'] = True
         r = super(Commit, self).create(values)
+        self.env.ref("runbot_merge.process_updated_commits")._trigger()
         return r
 
     def write(self, values):
         values.setdefault('to_check', True)
         r = super(Commit, self).write(values)
+        if values['to_check']:
+            self.env.ref("runbot_merge.process_updated_commits")._trigger()
         return r
 
     def _notify(self):