diff -Nur syslog-ng-1.6.7+20050518/src/sources.c syslog-ng-1.6.7+20050518-fqdn/src/sources.c
--- syslog-ng-1.6.7+20050518/src/sources.c	2005-02-03 12:08:11.000000000 +0100
+++ syslog-ng-1.6.7+20050518-fqdn/src/sources.c	2005-05-18 19:45:22.684468737 +0200
@@ -229,6 +229,13 @@
 			if (usefqdn) {
 				gethostname(buf, sizeof(buf) - 1);
 				buf[127] = 0;
+				// Check if hostname includes a . else do a fqdn lookup
+				if (NULL == strchr(buf, '.')) {
+					struct hostent *result = gethostbyname(buf);
+					if (result) {
+						strncpy(buf, result->h_name, sizeof(buf) - 1);
+					}
+				}
 			}
 			else {
 				getshorthostname(buf, sizeof(buf));