diff --git a/spacy/language_data/punctuation.py b/spacy/language_data/punctuation.py
index d8ed19ca1..8b92922f8 100644
--- a/spacy/language_data/punctuation.py
+++ b/spacy/language_data/punctuation.py
@@ -103,7 +103,7 @@ TOKENIZER_SUFFIXES = (
 TOKENIZER_INFIXES = (
     LIST_ELLIPSES +
     [
-        r'(?<=[0-9])[+\-\*/^](?=[0-9])',
+        r'(?<=[0-9])[+\-\*^](?=[0-9-])',
         r'(?<=[{al}])\.(?=[{au}])'.format(al=ALPHA_LOWER, au=ALPHA_UPPER),
         r'(?<=[{a}]),(?=[{a}])'.format(a=ALPHA),
         r'(?<=[{a}])(?:{h})(?=[{a}])'.format(a=ALPHA, h=HYPHENS),