diff -upk.orig traceroute-1.0.3.orig/traceroute.1 traceroute-1.0.3/traceroute.1
--- traceroute-1.0.3.orig/traceroute.1	2003-04-10 08:51:53 +0000
+++ traceroute-1.0.3/traceroute.1	2005-11-08 09:19:42 +0000
@@ -13,7 +13,7 @@ traceroute \- print the route packets ta
 .BR "" "[" "-t tos" "] [" "-w timeout" "] [" "-q nqueries" ] 
 .br
 .ti +8
-.BR "" "[" "-S source_addr" "] [" "-I interface" "]
+.BR "" "[" "-s source_addr" "] [" "-i interface" "]
 .br
 .ti +8
 .BR "" [ "-g gateway" "] " host " [" "packetlen" "]"
@@ -74,7 +74,7 @@ specified
 Not very useful, because most routers have disabled source routing
 for security reasons.
 .TP
-.BI \-I " interface
+.BI \-i " interface
 Specifies the interface through which to 
 .I traceroute
 should send packets. By default, the interface is selected
@@ -146,7 +146,7 @@ router that has been configured to not r
 .IP
 This feature hasn't been implemented yet.
 .TP
-.BI \-S " source_addr
+.BI \-s " source_addr
 Chooses an alternative source address. Note that you must select the
 address of one of the interfaces.
 By default, the address of the outgoing interface is used.
diff -upk.orig traceroute-1.0.3.orig/traceroute.c traceroute-1.0.3/traceroute.c
--- traceroute-1.0.3.orig/traceroute.c	2005-11-02 09:07:18 +0000
+++ traceroute-1.0.3/traceroute.c	2005-11-08 09:19:23 +0000
@@ -124,7 +124,7 @@ main(int argc, char **argv)
 	/* Set the locale - needed for international domain names */
 	setlocale (LC_ALL, "");
 
-	while ((c = getopt(argc, argv, "46DFVf:g:I:m:N:np:t:w:q:rRS:")) != -1) {
+	while ((c = getopt(argc, argv, "46DFVf:g:i:m:N:np:t:w:q:rRs:")) != -1) {
 		switch (c) {
 		case '4':
 			af = AF_INET;
@@ -151,7 +151,7 @@ main(int argc, char **argv)
 			opt_gateway_name[ngateways++] = optarg;
 			break;
 
-		case 'I':
+		case 'i':
 			src_device = optarg;
 			break;
 
@@ -191,7 +191,7 @@ main(int argc, char **argv)
 			opt_rr = 1;
 			break;
 
-		case 'S':
+		case 's':
 			src_addr_name = optarg;
 			break;
 
@@ -355,7 +355,7 @@ usage(int exval)
 {
 	fprintf(stderr,
 	"usage: traceroute [-nFV] [-f first_ttl] [-m max_hops] [-p port]\n"
-	"           [-S source_addr] [-I interface] [-g gateway]\n"
+	"           [-s source_addr] [-i interface] [-g gateway]\n"
 	"           [-t tos] [-w timeout] [-q nqueries] host [packetlen]\n");
 	exit(1);
 }