Index: src/clients/lib/libnuclient.c
===================================================================
--- src/clients/lib/libnuclient.c	(revision 921)
+++ src/clients/lib/libnuclient.c	(working copy)
@@ -879,8 +879,8 @@
 			}
 			osfield.type=OS_FIELD;
 			osfield.option=OS_SRV;
-			osfield.length=4+actuallen;
-			buf=alloca(osfield.length);
+			buf=alloca(4+actuallen);
+			osfield.length=htons(4+actuallen);
 			pointer = buf ;
 			memcpy(buf,&osfield,sizeof osfield);
 			pointer+=sizeof osfield;