diff --git a/scripts/wdb-version.nse b/scripts/wdb-version.nse
index 571343082..bb6780a0d 100644
--- a/scripts/wdb-version.nse
+++ b/scripts/wdb-version.nse
@@ -30,7 +30,7 @@ require 'shortport'
 require 'rpc'
 require 'stdnse'
 
-portrule = shortport.port_or_service(0x54321, "wdbrpc", {"udp"} )
+portrule = shortport.port_or_service(17185, "wdbrpc", {"udp"} )
 
 rpc.RPC_version["wdb"] = { min=1, max=1 }