diff --git a/jedi/evaluate.py b/jedi/evaluate.py
index c1c9c582..aca218de 100644
--- a/jedi/evaluate.py
+++ b/jedi/evaluate.py
@@ -1015,16 +1015,17 @@ def get_scopes_for_name(scope, name_str, position=None, search_global=False,
                     # execute first.
                     if isinstance(r, parsing.Param):
                         func = r.parent()
-                        if not r.is_generated:
-                            # Instances are typically faked, if the instance is
-                            # not called from outside. Here we check it for
-                            # __init__ functions and return.
-                            if isinstance(func, InstanceElement) \
-                                    and func.instance.is_generated \
-                                    and str(func.name) == '__init__' \
-                                    and r.position_nr > 0:  # 0 would be self
-                                r = func.var.params[r.position_nr]
+                        # Instances are typically faked, if the instance is not
+                        # called from outside. Here we check it for __init__
+                        # functions and return.
+                        if isinstance(func, InstanceElement) \
+                                and func.instance.is_generated \
+                                and hasattr(func, 'name') \
+                                and str(func.name) == '__init__' \
+                                and r.position_nr > 0:  # 0 would be self
+                            r = func.var.params[r.position_nr]
 
+                        if not r.is_generated:
                             res_new += dynamic.search_params(r)
                             if not r.assignment_details:
                                 # this means that there are no default params,