diff --git a/recipes/recipe_modules/presubmit/api.py b/recipes/recipe_modules/presubmit/api.py
index 3fbdd2d59a..6f780c122c 100644
--- a/recipes/recipe_modules/presubmit/api.py
+++ b/recipes/recipe_modules/presubmit/api.py
@@ -98,6 +98,8 @@ class PresubmitApi(recipe_api.RecipeApi):
       '--issue', self.m.tryserver.gerrit_change.change,
       '--patchset', self.m.tryserver.gerrit_change.patchset,
       '--gerrit_url', 'https://%s' % self.m.tryserver.gerrit_change.host,
+      '--gerrit_project', self.m.tryserver.gerrit_change.project,
+      '--gerrit_branch', self.m.tryserver.gerrit_change_target_ref,
       '--gerrit_fetch',
     ]
     if self.m.cq.state == self.m.cq.DRY: