diff --git a/spacy/syntax/_parser_model.pyx b/spacy/syntax/_parser_model.pyx
index eef5723f3..d3093d60d 100644
--- a/spacy/syntax/_parser_model.pyx
+++ b/spacy/syntax/_parser_model.pyx
@@ -261,7 +261,7 @@ class ParserStepModel(Model):
 
     def get_token_ids(self, states):
         cdef StateClass state
-        states = [state for state in states() if not state.is_final()]
+        states = [state for state in states if not state.is_final()]
         cdef np.ndarray ids = numpy.zeros((len(states), self.state2vec.nF),
                                           dtype='i', order='C')
         ids.fill(-1)