diff --git a/django/core/handlers/wsgi.py b/django/core/handlers/wsgi.py
index e445d07a61..7a32a3dac7 100644
--- a/django/core/handlers/wsgi.py
+++ b/django/core/handlers/wsgi.py
@@ -223,18 +223,17 @@ class WSGIHandler(base.BaseHandler):
         set_script_prefix(base.get_script_name(environ))
         signals.request_started.send(sender=self.__class__)
         try:
-            try:
-                request = self.request_class(environ)
-            except UnicodeDecodeError:
-                logger.warning('Bad Request (UnicodeDecodeError)',
-                    exc_info=sys.exc_info(),
-                    extra={
-                        'status_code': 400,
-                    }
-                )
-                response = http.HttpResponseBadRequest()
-            else:
-                response = self.get_response(request)
+            request = self.request_class(environ)
+        except UnicodeDecodeError:
+            logger.warning('Bad Request (UnicodeDecodeError)',
+                exc_info=sys.exc_info(),
+                extra={
+                    'status_code': 400,
+                }
+            )
+            response = http.HttpResponseBadRequest()
+        else:
+            response = self.get_response(request)
         finally:
             signals.request_finished.send(sender=self.__class__)