diff --git a/stations.py b/stations.py
index 83bb0d8..c258219 100644
--- a/stations.py
+++ b/stations.py
@@ -12,7 +12,7 @@ def ipaddr(hostname, rectype='A'):
     return DNS.dnslookup(hostname, rectype, 3)
 
 
-def nsname(ipaddrs, rectype='A'):
+def nsname(ipaddrs):
     return DNS.revlookup(ipaddrs, 3)