diff --git a/slixmpp/plugins/xep_0363/http_upload.py b/slixmpp/plugins/xep_0363/http_upload.py
index 266fc656..7b9ccc7d 100644
--- a/slixmpp/plugins/xep_0363/http_upload.py
+++ b/slixmpp/plugins/xep_0363/http_upload.py
@@ -116,7 +116,7 @@ class XEP_0363(BasePlugin):
                     except (TypeError, ValueError):
                         log.error('Invalid max size received from HTTP File Upload service')
                         self.max_file_size = float('+inf')
-                break
+                    break
 
         if input_file is None:
             input_file = open(filename, 'rb')