diff --git a/spacy/lang/es/syntax_iterators.py b/spacy/lang/es/syntax_iterators.py
index d403183ff..5fda35211 100644
--- a/spacy/lang/es/syntax_iterators.py
+++ b/spacy/lang/es/syntax_iterators.py
@@ -21,7 +21,7 @@ def noun_chunks(doclike):
     np_right_deps = [doc.vocab.strings.add(label) for label in right_labels]
     stop_deps = [doc.vocab.strings.add(label) for label in stop_labels]
     token = doc[0]
-    while token and token.i < len(doc):
+    while token and token.i < len(doclike):
         if token.pos in [PROPN, NOUN, PRON]:
             left, right = noun_bounds(
                 doc, token, np_left_deps, np_right_deps, stop_deps