diff --git a/runbot/models/build.py b/runbot/models/build.py
index 07c30bd7..8aa25647 100644
--- a/runbot/models/build.py
+++ b/runbot/models/build.py
@@ -668,7 +668,7 @@ class BuildResult(models.Model):
                             run_step = step_ids[-1]
                         else:
                             run_step = self.env.ref('runbot.runbot_build_config_step_run')
-                        run_step._run_step(build, log_path, force=True)
+                        run_step._run_step(build, log_path, force=True)()
                         # reload_nginx will be triggered by _run_run_odoo
                     except Exception:
                         _logger.exception('Failed to wake up build %s', build.dest)