diff --git a/lib/route-watcher.js b/lib/route-watcher.js
index c5ba6d1..20cc883 100644
--- a/lib/route-watcher.js
+++ b/lib/route-watcher.js
@@ -1,9 +1,9 @@
 var fs = require('fs');
 
-exports.route = function route(path, require) {
+function makeRoute(path, require) {
     var realPath = require.resolve(path);
     console.log('watching ' + realPath);
-    module = require(realPath);
+    var module = require(realPath);
     function watch() {
         fs.watch(realPath, {persistent: false}, function() {}).once('change', function() {
             setTimeout(function() {
@@ -16,21 +16,26 @@ exports.route = function route(path, require) {
         })
     }
     watch();
-    return function(req, res, next) {
+    var f = function(req, res, next) {
         if(module) {
             module.apply(null, arguments)
         } else {
             next()
         }
     }
+    f.watchedRoute = true;
+    return f;
 }
 
-exports.plumb = function plumb(app, routes, require) {
+function plumb(app, routes, require) {
     console.log("plumbing routes", routes);
     for(var i in routes) {
         var route = routes[i]
         console.log('plumbing ' + route.method + ' of ' +route.path + ' to ' + route.module);
-        app[route.method](route.path, exports.route("./routes/" + route.module, require))
+        var key = route.regexp ? Regexp.new(route.regexp, route.flags) : route.path;
+        if (!app.routes.lookup(key).watchedRoute) {
+            app[route.method](key, makeRoute("./routes/" + route.module, require))
+        }
     }
 }
 
@@ -51,11 +56,11 @@ exports.load = function load(app, routesFile, require) {
             console.log(err);
             return;
         }
-        exports.plumb(app, JSON.parse(data), require)
+        plumb(app, JSON.parse(data), require)
     });
 }
 
 exports.loadSync = function loadSync(app, routesFile, require) {
-    exports.plumb(app, JSON.parse(fs.readFileSync(routesFile)), require);
+    plumb(app, JSON.parse(fs.readFileSync(routesFile)), require);
     exports.watch(app, routesFile, require);
 }