diff --git a/marshmallow_jsonschema/base.py b/marshmallow_jsonschema/base.py
index b75f1ca..6ee3fa3 100644
--- a/marshmallow_jsonschema/base.py
+++ b/marshmallow_jsonschema/base.py
@@ -86,6 +86,7 @@
     (fields.List, list),
     (fields.Number, decimal.Decimal),
     (fields.IP, str),
+    (fields.IPInterface, str),
     # This one is here just for completeness sake and to check for
     # unknown marshmallow fields more cleanly.
     (fields.Nested, dict),