diff --git a/jedi/evaluate/__init__.py b/jedi/evaluate/__init__.py
index 3c5b1fdf..de78f2f5 100644
--- a/jedi/evaluate/__init__.py
+++ b/jedi/evaluate/__init__.py
@@ -291,7 +291,7 @@ class Evaluator(object):
             types = set([element])  # TODO this is no real evaluation.
         elif element.type == 'expr_stmt':
             types = self.eval_statement(element)
-        elif element.type == 'power':
+        elif element.type == 'power' or element.type == 'atom_expr':
             types = self._eval_atom(element.children[0])
             for trailer in element.children[1:]:
                 if trailer == '**':  # has a power operation.