diff --git a/nmap-services b/nmap-services
index 7b4a67e37..726a368f8 100644
--- a/nmap-services
+++ b/nmap-services
@@ -19789,6 +19789,7 @@ unknown	64729/udp	0.000502
 unknown	64731/udp	0.000502
 unknown	64735/udp	0.000502
 unknown	64737/udp	0.000502
+murmur	64738/udp	0.000502	# Murmur is the server-side software for Mumble open source voice chat software
 unknown	64740/udp	0.000502
 unknown	64743/udp	0.000502
 unknown	64746/udp	0.000502