diff --git a/spacy/syntax/arc_eager.pyx b/spacy/syntax/arc_eager.pyx index d4367c6df..29e8de0aa 100644 --- a/spacy/syntax/arc_eager.pyx +++ b/spacy/syntax/arc_eager.pyx @@ -362,7 +362,7 @@ cdef class ArcEager(TransitionSystem): if not self.has_gold(gold): return None for i in range(gold.length): - if gold.heads[i] is None: # Missing values + if gold.heads[i] is None or gold.labels[i] is None: # Missing values gold.c.heads[i] = i gold.c.has_dep[i] = False else: