diff --git a/site_ansto/anstoutil.c b/site_ansto/anstoutil.c
index ce4d87fa..769dda93 100644
--- a/site_ansto/anstoutil.c
+++ b/site_ansto/anstoutil.c
@@ -151,6 +151,7 @@ int getPortNum(SConnection *pCon, char *portName) {
     if (fp == NULL)
       fp = fopen("sics_test_services", "r");
     if (fp != NULL) {
+      int udp_port = 0;
       while ((cp = fgets(line, sizeof(line)-1, fp)) != NULL) {
         if (*cp != '#' && *cp != '\0') {
           char name[132], *np;
@@ -161,19 +162,21 @@ int getPortNum(SConnection *pCon, char *portName) {
           }
           if (strcasecmp(portName, name) != 0)
             continue;
-          while (*cp && isblank(*cp)) {
+          while (*cp && isblank(*cp))
             ++cp;
-          }
           if (*cp && isdigit(*cp)) {
             long port;
             port = strtol(cp, &np, 10);
-            if (strncasecmp("/tcp", np, 4) == 0) {
+            if (strncasecmp("/tcp", np, 4) == 0)
               return (int) port;
-            }
+            if (strncasecmp("/udp", np, 4) == 0)
+              udp_port = (int) port;
           }
         }
       }
       fclose(fp);
+      if (udp_port > 0)
+        return udp_port;
     }
   } while (0);
   sp = getservbyname(portName, NULL);