diff --git a/lib/mspec/runner/formatters/multi.rb b/lib/mspec/runner/formatters/multi.rb
index a723ae8..fa1da37 100644
--- a/lib/mspec/runner/formatters/multi.rb
+++ b/lib/mspec/runner/formatters/multi.rb
@@ -42,6 +42,6 @@ def aggregate_results(files)
   end
 
   def print_exception(exc, count)
-    print "\n#{count})\n#{exc}\n"
+    @err.print "\n#{count})\n#{exc}\n"
   end
 end