diff --git a/verdandi/mixins/rendermixin.py b/verdandi/mixins/rendermixin.py
index 09329c8..9a61e86 100644
--- a/verdandi/mixins/rendermixin.py
+++ b/verdandi/mixins/rendermixin.py
@@ -3,4 +3,4 @@
 class RenderMixin(object):
 	
 	def render(self, output_directory, jinja_env):
-		return None
+		pass