diff --git a/examples/wsgi/run_wsgi.py b/examples/wsgi/run_wsgi.py
index 13d689b..270022d 100644
--- a/examples/wsgi/run_wsgi.py
+++ b/examples/wsgi/run_wsgi.py
@@ -18,7 +18,7 @@
              module_directory='./modules',
              # even better would be to use 'charset' in start_response
              output_encoding='ascii',
-             ending_errors='replace'
+             encoding_errors='replace'
          )
 
 def serve(environ, start_response):