diff --git a/index.js b/index.js
index 42154ae..50e4f06 100644
--- a/index.js
+++ b/index.js
@@ -53,7 +53,7 @@ methods.forEach(function(method){
         , self = this;
 
       this.namespace(path, function(){
-        path = this._ns.join('/').replace(/\/\//g, '/').replace(/\/$/, '') || '/';
+        path = 'string' != typeof path ? path : this._ns.join('/').replace(/\/\//g, '/').replace(/\/$/, '') || '/';
         args.forEach(function(fn){
           orig.call(self, path, fn);
         });
@@ -62,4 +62,4 @@ methods.forEach(function(method){
       return this;
     };
   });
-});
\ No newline at end of file
+});
diff --git a/test/namespace.test.js b/test/namespace.test.js
index 2aa7c98..385a0a8 100644
--- a/test/namespace.test.js
+++ b/test/namespace.test.js
@@ -106,4 +106,38 @@ describe('app.namespace(path, fn)', function(){
     .get('/forum/23')
     .expect('23', done);
   })
+
+	it('should not die with regexes, but they ignore namespacing', function(done){
+		var app = express();
+		done = pending(3, done);
+
+		app.get(/test\d\d\d/, function(req, res) {
+			res.send("GET test");
+		});
+
+		app.namespace('/forum/:id', function(){
+
+			app.get('/', function(req, res){
+				res.send('' + req.params.id);
+			});
+
+			app.get(/^\/(?!login$|account\/login$|logout$)(.*)/, function(req, res) {
+				res.send("crazy reg");
+			});
+
+		});
+
+		request(app)
+			.get('/forum/23')
+			.expect('23', done);
+
+		request(app)
+			.get('/test123')
+			.expect('GET test', done);
+
+		request(app)
+			.get('/account/123')
+			.expect('crazy reg', done);
+	})
+
 })
\ No newline at end of file