diff --git a/lib/whenever.rb b/lib/whenever.rb
index 3faf7cd..9230cb9 100644
--- a/lib/whenever.rb
+++ b/lib/whenever.rb
@@ -12,10 +12,10 @@ end
 # It was previously defined as a dependency of this gem, but that became
 # problematic. See: http://github.com/javan/whenever/issues#issue/1
 begin
-  require 'active_support'
+  require 'active_support/all'
 rescue LoadError
-  warn 'To user Whenever you need the active_support gem:'
-  warn '$ sudo gem install active_support'
+  warn 'To use Whenever you need the active_support gem:'
+  warn '$ gem install activesupport'
   exit(1)
 end