diff --git a/jedi/evaluate.py b/jedi/evaluate.py
index 142852bc..388a8e0a 100644
--- a/jedi/evaluate.py
+++ b/jedi/evaluate.py
@@ -657,8 +657,8 @@ def follow_call_list(call_list, follow_array=False):
             if isinstance(call, pr.Lambda):
                 result.append(er.Function(call))
             # With things like params, these can also be functions...
-            elif isinstance(call, (er.Function, er.Class, er.Instance,
-                                   dynamic.ArrayInstance)):
+            elif isinstance(call, pr.Base) and call.isinstance(er.Function,
+                    er.Class, er.Instance, dynamic.ArrayInstance):
                 result.append(call)
             # The string tokens are just operations (+, -, etc.)
             elif not isinstance(call, (str, unicode)):
diff --git a/jedi/evaluate_representation.py b/jedi/evaluate_representation.py
index c79fdee7..8446f80e 100644
--- a/jedi/evaluate_representation.py
+++ b/jedi/evaluate_representation.py
@@ -178,7 +178,7 @@ class Instance(use_metaclass(cache.CachedMetaClass, Executable)):
             (type(self).__name__, self.base, len(self.var_args or []))
 
 
-class InstanceElement(use_metaclass(cache.CachedMetaClass)):
+class InstanceElement(use_metaclass(cache.CachedMetaClass, pr.Base)):
     """
     InstanceElement is a wrapper for any object, that is used as an instance
     variable (e.g. self.variable or class methods).