--- src/ifaces.c
+++ src/ifaces.c
@@ -32,14 +32,14 @@
 #include "error.h"
 
 extern int accept_unsupported_interfaces;
-#define NUM_SUPPORTED_IFACES 20
+#define NUM_SUPPORTED_IFACES 21
 
 extern int daemonized;
 
 char ifaces[][6] =
     { "lo", "eth", "sl", "ppp", "ippp", "plip", "fddi", "isdn", "dvb",
       "pvc", "hdlc", "ipsec", "sbni", "tr", "wvlan", "wlan", "sm2", "sm3",
-      "pent", "lec" };
+      "pent", "lec", "dsl" };
 
 char *ltrim(char *buf)
 {