diff --git a/spec/features/calendar_spec.rb b/spec/features/calendar_spec.rb
index f52682f229cc50e55f3ee1a790a51e77a3948a97..7fa0c95cae295153fea15a62b12d18e2387193bf 100644
--- a/spec/features/calendar_spec.rb
+++ b/spec/features/calendar_spec.rb
@@ -5,7 +5,9 @@ feature 'Contributions Calendar', js: true, feature: true do
 
   let(:contributed_project) { create(:project, :public) }
 
-  date_format = '%A %b %d, %Y'
+  # Ex/ Sunday Jan 1, 2016
+  date_format = '%A %b %-d, %Y'
+
   issue_title = 'Bug in old browser'
   issue_params = { title: issue_title }