diff --git a/common/lib/xmodule/xmodule/seq_module.py b/common/lib/xmodule/xmodule/seq_module.py
index e7e97626db..607c1e500e 100644
--- a/common/lib/xmodule/xmodule/seq_module.py
+++ b/common/lib/xmodule/xmodule/seq_module.py
@@ -87,7 +87,7 @@ class SequenceModule(XModule):
                 'type': child.get_icon_class(),
             }
             if childinfo['title']=='':
-		    childinfo['title'] = child.metadata['display_name']
+                    childinfo['title'] = child.metadata['display_name']
             contents.append(childinfo)
 
         params = {'items': contents,