diff --git a/activesupport/lib/active_support/deprecation.rb b/activesupport/lib/active_support/deprecation.rb
index 540be29..151ae5a 100644
--- a/activesupport/lib/active_support/deprecation.rb
+++ b/activesupport/lib/active_support/deprecation.rb
@@ -13,7 +13,7 @@ module ActiveSupport
                          $stderr.puts callstack.join("\n  ") if debug
                        },
       'development' => Proc.new { |message, callstack|
-                         logger = defined?(Rails) ? Rails.logger : Logger.new($stderr)
+                         logger = (defined?(Rails) && Rails.logger) ? Rails.logger : Logger.new($stderr)
                          logger.warn message
                          logger.debug callstack.join("\n  ") if debug
                        }