diff --git a/src/isanlp/en/processor_tokenizer_nltk_en.py b/src/isanlp/en/processor_tokenizer_nltk_en.py
index 042dbd5..5f929f4 100644
--- a/src/isanlp/en/processor_tokenizer_nltk_en.py
+++ b/src/isanlp/en/processor_tokenizer_nltk_en.py
@@ -37,5 +37,4 @@ def __call__(self, text):
             List of Token objects.
         """
         
-        return [Token(text[start : end], start, end) for (start, end) in self._nltk_proc.span_tokenize(text)]
-    
\ No newline at end of file
+        return [Token(text[start : end], start, end) for (start, end) in self._proc.span_tokenize(text)]