1 files changed, 5 insertions, 3 deletions
diff --git a/activesupport/lib/active_support/core_ext/date_time/zones.rb b/activesupport/lib/active_support/core_ext/date_time/zones.rb
index 6fa55a9255..823735d3e2 100644
--- a/activesupport/lib/active_support/core_ext/date_time/zones.rb
+++ b/activesupport/lib/active_support/core_ext/date_time/zones.rb
@@ -14,8 +14,10 @@ class DateTime
   #
   #   DateTime.new(2000).in_time_zone('Alaska')  # => Fri, 31 Dec 1999 15:00:00 AKST -09:00
   def in_time_zone(zone = ::Time.zone)
-    return self unless zone
-
-    ActiveSupport::TimeWithZone.new(utc? ? self : getutc, ::Time.find_zone!(zone))
+    if zone
+      ActiveSupport::TimeWithZone.new(utc? ? self : getutc, ::Time.find_zone!(zone))
+    else
+      self
+    end
   end
 end