Index: ncat/ncat_core.c
===================================================================
--- ncat/ncat_core.c	(revision 13137)
+++ ncat/ncat_core.c	(working copy)
@@ -92,6 +92,7 @@
 
   memset(&hints, 0, sizeof(hints));
   hints.ai_family = af;
+  hints.ai_socktype = SOCK_DGRAM;
   if (o.nodns)
      hints.ai_flags |= AI_NUMERICHOST;