diff --git a/runbot/models/build_error.py b/runbot/models/build_error.py
index b25240e1..f8c7f5bb 100644
--- a/runbot/models/build_error.py
+++ b/runbot/models/build_error.py
@@ -50,6 +50,7 @@ class BuildError(models.Model):
     fingerprint = fields.Char('Error fingerprint', index=True)
     random = fields.Boolean('underterministic error', tracking=True)
     responsible = fields.Many2one('res.users', 'Assigned fixer', tracking=True)
+    customer = fields.Many2one('res.users', 'Customer', tracking=True)
     team_id = fields.Many2one('runbot.team', 'Assigned team', tracking=True)
     fixing_commit = fields.Char('Fixing commit', tracking=True)
     fixing_pr_id = fields.Many2one('runbot.branch', 'Fixing PR', tracking=True, domain=[('is_pr', '=', True)])
@@ -88,6 +89,12 @@ class BuildError(models.Model):
             record.tags_min_version_id = min(record.version_ids, key=lambda rec: rec.number)
             record.tags_max_version_id = max(record.version_ids, key=lambda rec: rec.number)
 
+    @api.onchange('customer')
+    def _onchange_customer(self):
+        for record in self:
+            if not self.responsible:
+                self.responsible = self.customer
+
     @api.model_create_multi
     def create(self, vals_list):
         cleaners = self.env['runbot.error.regex'].search([('re_type', '=', 'cleaning')])
diff --git a/runbot/views/build_error_views.xml b/runbot/views/build_error_views.xml
index 89ab1a9d..2f11eb71 100644
--- a/runbot/views/build_error_views.xml
+++ b/runbot/views/build_error_views.xml
@@ -29,6 +29,7 @@
                     <field name="tags_max_version_id" invisible="not test_tags"/>
                   </group>
                   <group>
+                    <field name="customer"/>
                     <field name="version_ids" widget="many2many_tags"/>
                     <field name="trigger_ids" widget="many2many_tags"/>
                     <field name="tag_ids" widget="many2many_tags" readonly="1"/>