diff --git a/httpbin/core.py b/httpbin/core.py
index d4263f8..bc9cc3e 100644
--- a/httpbin/core.py
+++ b/httpbin/core.py
@@ -101,7 +101,7 @@ def before_request():
         server = request.environ.get('SERVER_SOFTWARE', '')
         if server.lower().startswith('gunicorn/'):
             if 'wsgi.input_terminated' in request.environ:
-                app.logger.warning("environ wsgi.input_terminated already set, keeping: %s"
+                app.logger.debug("environ wsgi.input_terminated already set, keeping: %s"
                                    % request.environ['wsgi.input_terminated'])
             else:
                 request.environ['wsgi.input_terminated'] = 1