diff --git a/ip/ip6tunnel.c b/ip/ip6tunnel.c
index d5bee360..c9720eb2 100644
--- a/ip/ip6tunnel.c
+++ b/ip/ip6tunnel.c
@@ -408,7 +408,7 @@ int do_ip6tunnel(int argc, char **argv)
 			return do_add(SIOCADDTUNNEL, argc - 1, argv + 1);
 		if (matches(*argv, "change") == 0)
 			return do_add(SIOCCHGTUNNEL, argc - 1, argv + 1);
-		if (matches(*argv, "del") == 0)
+		if (matches(*argv, "delete") == 0)
 			return do_del(argc - 1, argv + 1);
 		if (matches(*argv, "show") == 0 ||
 		    matches(*argv, "lst") == 0 ||
diff --git a/ip/ipl2tp.c b/ip/ipl2tp.c
index c5683f56..3a5f94b1 100644
--- a/ip/ipl2tp.c
+++ b/ip/ipl2tp.c
@@ -795,7 +795,7 @@ int do_ipl2tp(int argc, char **argv)
 
 	if (matches(*argv, "add") == 0)
 		return do_add(argc-1, argv+1);
-	if (matches(*argv, "del") == 0)
+	if (matches(*argv, "delete") == 0)
 		return do_del(argc-1, argv+1);
 	if (matches(*argv, "show") == 0 ||
 	    matches(*argv, "lst") == 0 ||
diff --git a/ip/iptunnel.c b/ip/iptunnel.c
index 3d41a274..38ccd87c 100644
--- a/ip/iptunnel.c
+++ b/ip/iptunnel.c
@@ -620,7 +620,7 @@ int do_iptunnel(int argc, char **argv)
 			return do_add(SIOCADDTUNNEL, argc-1, argv+1);
 		if (matches(*argv, "change") == 0)
 			return do_add(SIOCCHGTUNNEL, argc-1, argv+1);
-		if (matches(*argv, "del") == 0)
+		if (matches(*argv, "delete") == 0)
 			return do_del(argc-1, argv+1);
 		if (matches(*argv, "show") == 0 ||
 		    matches(*argv, "lst") == 0 ||
diff --git a/ip/iptuntap.c b/ip/iptuntap.c
index 29f2777e..20914e11 100644
--- a/ip/iptuntap.c
+++ b/ip/iptuntap.c
@@ -307,7 +307,7 @@ int do_iptuntap(int argc, char **argv)
 	if (argc > 0) {
 		if (matches(*argv, "add") == 0)
 			return do_add(argc-1, argv+1);
-		if (matches(*argv, "del") == 0)
+		if (matches(*argv, "delete") == 0)
 			return do_del(argc-1, argv+1);
 		if (matches(*argv, "show") == 0 ||
                     matches(*argv, "lst") == 0 ||