diff --git a/runbot_merge/models/pull_requests.py b/runbot_merge/models/pull_requests.py
index 44618c70..0634d7bb 100644
--- a/runbot_merge/models/pull_requests.py
+++ b/runbot_merge/models/pull_requests.py
@@ -1265,6 +1265,7 @@ class Stagings(models.Model):
 
     # seems simpler than adding yet another indirection through a model
     heads = fields.Char(required=True, help="JSON-encoded map of heads, one per repo in the project")
+    head_ids = fields.Many2many('runbot_merge.commit', compute='_compute_statuses')
 
     statuses = fields.Binary(compute='_compute_statuses')
 
@@ -1279,7 +1280,7 @@ class Stagings(models.Model):
                 head: repo for repo, head in json.loads(st.heads).items()
                 if not repo.endswith('^')
             }
-            commits = Commits.search([('sha', 'in', list(heads.keys()))])
+            commits = st.head_ids = Commits.search([('sha', 'in', list(heads.keys()))])
             st.statuses = [
                 (
                     heads[commit.sha],
diff --git a/runbot_merge/views/mergebot.xml b/runbot_merge/views/mergebot.xml
index b1af5357..024a01de 100644
--- a/runbot_merge/views/mergebot.xml
+++ b/runbot_merge/views/mergebot.xml
@@ -201,11 +201,18 @@
                         </group>
                         <group>
                             <field name="staged_at"/>
-                            <field name="statuses"/>
                         </group>
                     </group>
-                    <group>
-                        <field name="batch_ids" colspan="4">
+                    <group string="Heads">
+                        <field name="head_ids" colspan="4" nolabel="1">
+                            <tree>
+                                <field name="sha"/>
+                                <field name="statuses"/>
+                            </tree>
+                        </field>
+                    </group>
+                    <group string="Batches">
+                        <field name="batch_ids" colspan="4" nolabel="1">
                             <tree>
                                 <field name="prs"/>
                             </tree>