lib/cucumber/formatter/interceptor.rb in cucumber-1.2.1 vs lib/cucumber/formatter/interceptor.rb in cucumber-1.2.2

@@ -34,13 +34,13 @@
           validate_pipe pipe
           wrapped = nil
           case pipe
           when :stdout
             wrapped = $stdout
-            $stdout = wrapped.unwrap!
+            $stdout = wrapped.unwrap! if $stdout.respond_to?(:unwrap!)
           when :stderr
             wrapped = $stderr
-            $stderr = wrapped.unwrap!
+            $stderr = wrapped.unwrap! if $stderr.respond_to?(:unwrap!)
           end
           wrapped
         end
 
         def self.wrap(pipe)