diff --git a/confluent_server/confluent/discovery/protocols/slp.py b/confluent_server/confluent/discovery/protocols/slp.py
index edb16c34..7ff97425 100644
--- a/confluent_server/confluent/discovery/protocols/slp.py
+++ b/confluent_server/confluent/discovery/protocols/slp.py
@@ -255,7 +255,7 @@ def _parse_attrlist(attrstr):
                 currattr = currattr.decode('utf-8')
                 attribs[currattr] = None
             else:
-                attrname, attrval = currattr.split('=')
+                attrname, attrval = currattr.split('=', 1)
                 attrname = attrname.decode('utf-8')
                 attribs[attrname] = []
                 for val in attrval.split(','):