diff --git a/index.html b/index.html
index 82f71d1..3d5ac7e 100644
--- a/index.html
+++ b/index.html
@@ -24,6 +24,13 @@
         margin-bottom: 10px;
         text-align: center;
       }
+      #footer {
+        margin-top: 10px;
+        text-align: center;
+      }
+      #footer a {
+	margin: 0 10px;
+      }
       .ip {
         border: 1px solid #cbcbcb;
         background: #f2f2f2;
@@ -66,6 +73,10 @@
         </tbody>
       </table>
     </div>
+    <div id="footer">
+      <a href="http://v4.ifconfig.co">IPv4 page</a>
+      <a href="http://v6.ifconfig.co">IPv6 page</a>
+    </div>
     <a href="https://github.com/martinp/ifconfigd"><img style="position: absolute; top: 0; right: 0; border: 0;" src="https://s3.amazonaws.com/github/ribbons/forkme_right_red_aa0000.png" alt="Fork me on GitHub"></a>
   </body>
 </html>
diff --git a/main.go b/main.go
index 218e5d4..0f14d9c 100644
--- a/main.go
+++ b/main.go
@@ -13,13 +13,13 @@ func main() {
 	var opts struct {
 		DBPath        string `short:"f" long:"file" description:"Path to GeoIP database" value-name:"FILE" default:""`
 		Listen        string `short:"l" long:"listen" description:"Listening address" value-name:"ADDR" default:":8080"`
-		CORS          bool   `short:"x" long:"cors" description:"Allow requests from other domains" default:"false"`
-		ReverseLookup bool   `short:"r" long:"reverselookup" description:"Perform reverse hostname lookups" default:"false"`
+		CORS          bool   `short:"x" long:"cors" description:"Allow requests from other domains"`
+		ReverseLookup bool   `short:"r" long:"reverselookup" description:"Perform reverse hostname lookups"`
 		Template      string `short:"t" long:"template" description:"Path to template" default:"index.html"`
 	}
 	_, err := flags.ParseArgs(&opts, os.Args)
 	if err != nil {
-		os.Exit(1)
+		log.Fatal(err)
 	}
 
 	var a *api.API