diff --git a/config/initializers/app_globals.rb b/config/initializers/app_globals.rb
index da94a378..11a12f9f 100644
--- a/config/initializers/app_globals.rb
+++ b/config/initializers/app_globals.rb
@@ -15,6 +15,6 @@
 
 GeoRuby::SimpleFeatures::DEFAULT_SRID = 4326
 
-Time::DATE_FORMATS.merge :ical => "%Y%m%d" # yyyymmdd, for iCal conversion
+Date::DATE_FORMATS[:ical] = "%Y%m%d" # yyyymmdd, for iCal conversion
 
 FONT_ROOT = "#{RAILS_ROOT}/fonts/dejavu-fonts-ttf-2.26/ttf"
diff --git a/spec/views/events/ical.ics.erb_spec.rb b/spec/views/events/ical.ics.erb_spec.rb
index b76e3476..4dafe726 100644
--- a/spec/views/events/ical.ics.erb_spec.rb
+++ b/spec/views/events/ical.ics.erb_spec.rb
@@ -32,6 +32,6 @@
   end
 
   it "should contain the date in iCal format" do
-    rendered.should have_content("DTSTART;VALUE=DATE:#{@event.date.to_s :ical}")
+    rendered.should have_content("DTSTART;VALUE=DATE:#{@event.date.strftime '%Y%m%d'}")
   end
 end