diff --git a/runbot/models/commit.py b/runbot/models/commit.py
index f8257756..95886d7d 100644
--- a/runbot/models/commit.py
+++ b/runbot/models/commit.py
@@ -25,7 +25,7 @@ class Commit(models.Model):
         )
     ]
     name = fields.Char('SHA')
-    tree_hash = fields.Char('Tree hash')
+    tree_hash = fields.Char('Tree hash', readonly=True)
     repo_id = fields.Many2one('runbot.repo', string='Repo group')
     date = fields.Datetime('Commit date')
     author = fields.Char('Author')
diff --git a/runbot/templates/commit.xml b/runbot/templates/commit.xml
index c3422ed1..12591537 100644
--- a/runbot/templates/commit.xml
+++ b/runbot/templates/commit.xml
@@ -36,6 +36,12 @@
                   </div>
                 </td>
               </tr>
+              <tr>
+                <td>Tree hash</td>
+                <td>
+                  <t t-esc="commit.tree_hash"/>
+                </td>
+              </tr>
               <tr>
                 <td>Repo</td>
                 <td t-esc="commit.repo_id.name"/>
diff --git a/runbot/views/commit_views.xml b/runbot/views/commit_views.xml
index 898d2672..44b064ed 100644
--- a/runbot/views/commit_views.xml
+++ b/runbot/views/commit_views.xml
@@ -8,6 +8,7 @@
                 <sheet>
                     <group>
                         <field name="name" widget="char_frontend_url"/>
+                        <field name="tree_hash"/>
                         <field name="dname"/>
                         <field name="repo_id"/>
                         <field name="date"/>
@@ -29,6 +30,7 @@
         <field name="arch" type="xml">
             <tree string="Commits">
                 <field name="name" widget="char_frontend_url"/>
+                <field name="tree_hash"/>
                 <field name="date"/>
                 <field name="repo_id"/>
                 <field name="author_email"/>