diff --git a/runbot/models/batch.py b/runbot/models/batch.py
index d7a68c39..4fde91f2 100644
--- a/runbot/models/batch.py
+++ b/runbot/models/batch.py
@@ -128,10 +128,17 @@ class Batch(models.Model):
         else:
             description = params.trigger_id.description if params.trigger_id.description else False
             link_type = 'created'
+
+            build_type = 'normal'
+            if self.category_id != self.env.ref('runbot.default_category'):
+                build_type = 'scheduled'
+            elif self.bundle_id.priority:
+                build_type = 'priority'
+
             build = self.env['runbot.build'].create({
                 'params_id': params.id,
                 'description': description,
-                'build_type': 'normal' if self.category_id == self.env.ref('runbot.default_category') else 'scheduled',
+                'build_type': build_type,
                 'no_auto_run': self.bundle_id.no_auto_run,
             })
             if self.bundle_id.host_id:
diff --git a/runbot/models/build.py b/runbot/models/build.py
index e1ca1f88..32760ded 100644
--- a/runbot/models/build.py
+++ b/runbot/models/build.py
@@ -196,6 +196,7 @@ class BuildResult(models.Model):
                                    ('rebuild', 'This build is a rebuild'),
                                    ('normal', 'normal build'),
                                    ('indirect', 'Automatic rebuild'), # TODO cleanup remove
+                                   ('priority', 'Priority'),
                                    ],
                                   default='normal',
                                   string='Build type')
diff --git a/runbot/models/build_config_codeowner.py b/runbot/models/build_config_codeowner.py
index 5156a409..5b22643f 100644
--- a/runbot/models/build_config_codeowner.py
+++ b/runbot/models/build_config_codeowner.py
@@ -24,7 +24,6 @@ class ConfigStep(models.Model):
                 build._log('', 'No pr for repo %s, skipping' % commit.repo_id.name)
         return pr_by_commit
 
-
     def _codeowners_regexes(self, codeowners, version_id):
         regexes = {}
         for codeowner in codeowners:
diff --git a/runbot/models/bundle.py b/runbot/models/bundle.py
index 9c4e9b92..07767a20 100644
--- a/runbot/models/bundle.py
+++ b/runbot/models/bundle.py
@@ -42,7 +42,7 @@ class Bundle(models.Model):
     previous_major_version_base_id = fields.Many2one('runbot.bundle', 'Previous base bundle', compute='_compute_relations_base_id')
     intermediate_version_base_ids = fields.Many2many('runbot.bundle', 'Intermediate base bundles', compute='_compute_relations_base_id')
 
-    priority = fields.Boolean('Build priority', default=False)
+    priority = fields.Boolean('Build priority', default=False, groups="runbot.group_runbot_admin")
 
     # Custom parameters
     trigger_custom_ids = fields.One2many('runbot.bundle.trigger.custom', 'bundle_id')
diff --git a/runbot/models/runbot.py b/runbot/models/runbot.py
index e1a0dda2..1ec81f12 100644
--- a/runbot/models/runbot.py
+++ b/runbot/models/runbot.py
@@ -51,7 +51,9 @@ class Runbot(models.AbstractModel):
             self._commit()
         self._assign_pending_builds(host, host.nb_worker, [('build_type', '!=', 'scheduled')])
         self._commit()
-        self._assign_pending_builds(host, host.nb_worker-1 or host.nb_worker)
+        self._assign_pending_builds(host, host.nb_worker - 1 or host.nb_worker)
+        self._commit()
+        self._assign_pending_builds(host, host.nb_worker and host.nb_worker + 1, [('build_type', '=', 'priority')])
         self._commit()
         for build in self._get_builds_to_init(host):
             build = build.browse(build.id)  # remove preftech ids, manage build one by one
@@ -80,7 +82,6 @@ class Runbot(models.AbstractModel):
         if assignable_slots > 0:
             allocated = self._allocate_builds(host, assignable_slots, domain)
             if allocated:
-
                 _logger.info('Builds %s where allocated to runbot', allocated)
 
     def _get_builds_to_init(self, host):