diff --git a/spacy/lang/nb/punctuation.py b/spacy/lang/nb/punctuation.py
index 9b800029c..8f2933670 100644
--- a/spacy/lang/nb/punctuation.py
+++ b/spacy/lang/nb/punctuation.py
@@ -27,7 +27,7 @@ _infixes = (
     + [
         r"(?<=[{al}])\.(?=[{au}])".format(al=ALPHA_LOWER, au=ALPHA_UPPER),
         r"(?<=[{a}])[,!?](?=[{a}])".format(a=ALPHA),
-        r"(?<=[{a}])[:<>=](?=[{a}])".format(a=ALPHA),
+        r"(?<=[{a}])[:<>=/](?=[{a}])".format(a=ALPHA),
         r"(?<=[{a}]),(?=[{a}])".format(a=ALPHA),
         r"(?<=[{a}])([{q}\)\]\(\[])(?=[{a}])".format(a=ALPHA, q=_quotes),
         r"(?<=[{a}])--(?=[{a}])".format(a=ALPHA),