diff --git a/scrapy/cmdline.py b/scrapy/cmdline.py
index cb7bbd64d..8edc1ad2d 100644
--- a/scrapy/cmdline.py
+++ b/scrapy/cmdline.py
@@ -20,7 +20,8 @@ def _iter_command_classes(module_name):
         for obj in vars(module).values():
             if inspect.isclass(obj) and \
                     issubclass(obj, ScrapyCommand) and \
-                    obj.__module__ == module.__name__:
+                    obj.__module__ == module.__name__ and \
+                    not obj == ScrapyCommand:
                 yield obj
 
 def _get_commands_from_module(module, inproject):