diff --git a/werkzeug/serving.py b/werkzeug/serving.py
index <HASH>..<HASH> 100644
--- a/werkzeug/serving.py
+++ b/werkzeug/serving.py
@@ -481,7 +481,7 @@ def run_simple(hostname, port, application, use_reloader=False,
         from werkzeug.debug import DebuggedApplication
         application = DebuggedApplication(application, use_evalex)
     if static_files:
-        from werkzeug.utils import SharedDataMiddleware
+        from werkzeug.wsgi import SharedDataMiddleware
         application = SharedDataMiddleware(application, static_files)
 
     def inner():
Fixed an import error in the serving support.  This fixes #<I>