diff --git a/lib/delayed/backend/shared_spec.rb b/lib/delayed/backend/shared_spec.rb
index b773666f..21118726 100644
--- a/lib/delayed/backend/shared_spec.rb
+++ b/lib/delayed/backend/shared_spec.rb
@@ -230,7 +230,7 @@ def create_job(opts = {})
     end
 
     it 'reserves jobs scheduled for the past when time zones are involved' do
-      Time.zone = 'US/Eastern'
+      Time.zone = 'America/New_York'
       job = create_job :run_at => described_class.db_time_now - 1.minute
       expect(described_class.reserve(worker)).to eq(job)
     end