diff --git a/browser/concept_related.pt b/browser/concept_related.pt
index f9e0494..9097b61 100644
--- a/browser/concept_related.pt
+++ b/browser/concept_related.pt
@@ -25,7 +25,8 @@
                          summary string:Currently assigned objects;
                          legend string:Child Concepts;
                          showPredicate string:yes;
-                         buttonText string:Remove Children;">
+                         buttonText string:Remove Children;"
+             style="clear:left">
           <metal:children use-macro="views/relation_macros/listing" />
       </div>
 
diff --git a/common.py b/common.py
index 0e0e7c3..48698a7 100644
--- a/common.py
+++ b/common.py
@@ -79,7 +79,7 @@ class AdapterBase(object):
             raise AttributeError('%s: %s' % (self, attr))
 
     def __eq__(self, other):
-        if other is None:
+        if not isinstance(other, AdapterBase):
             return False
         return self.context == other.context