diff --git a/router/router.js b/router/router.js
index 446edd06..f6911de0 100644
--- a/router/router.js
+++ b/router/router.js
@@ -36,7 +36,7 @@ module.exports = function($window) {
 		switch (type) {
 			case "#": return normalize("hash").slice(prefix.length)
 			case "?": return normalize("search").slice(prefix.length) + normalize("hash")
-			default: return normalize("pathname") + normalize("search") + normalize("hash")
+			default: return normalize("pathname").slice(prefix.length) + normalize("search") + normalize("hash")
 		}
 	}
 
diff --git a/router/tests/test-defineRoutes.js b/router/tests/test-defineRoutes.js
index bb6ba98e..85cb52db 100644
--- a/router/tests/test-defineRoutes.js
+++ b/router/tests/test-defineRoutes.js
@@ -5,7 +5,7 @@ var pushStateMock = require("../../test-utils/pushStateMock")
 var Router = require("../../router/router")
 
 o.spec("Router.defineRoutes", function() {
-	void ["#", "?", "", "#!", "?!"].forEach(function(prefix) {
+	void ["#", "?", "", "#!", "?!", "/foo"].forEach(function(prefix) {
 		o.spec("using prefix `" + prefix + "`", function() {
 			var $window, router, onRouteChange, onFail
 	
diff --git a/router/tests/test-getPath.js b/router/tests/test-getPath.js
index fcfeaba5..70e2fb7b 100644
--- a/router/tests/test-getPath.js
+++ b/router/tests/test-getPath.js
@@ -5,7 +5,7 @@ var pushStateMock = require("../../test-utils/pushStateMock")
 var Router = require("../../router/router")
 
 o.spec("Router.getPath", function() {
-	void ["#", "?", "", "#!", "?!"].forEach(function(prefix) {
+	void ["#", "?", "", "#!", "?!", '/foo'].forEach(function(prefix) {
 		o.spec("using prefix `" + prefix + "`", function() {
 			var $window, router, onRouteChange, onFail
 	
diff --git a/router/tests/test-setPath.js b/router/tests/test-setPath.js
index b85c97b2..a54db6f8 100644
--- a/router/tests/test-setPath.js
+++ b/router/tests/test-setPath.js
@@ -5,7 +5,7 @@ var pushStateMock = require("../../test-utils/pushStateMock")
 var Router = require("../../router/router")
 
 o.spec("Router.setPath", function() {
-	void ["#", "?", "", "#!", "?!"].forEach(function(prefix) {
+	void ["#", "?", "", "#!", "?!", "/foo"].forEach(function(prefix) {
 		o.spec("using prefix `" + prefix + "`", function() {
 			var $window, router, onRouteChange, onFail
 	
@@ -78,8 +78,10 @@ o.spec("Router.setPath", function() {
 				router.defineRoutes({"/test": {data: 1}, "/other": {data: 2}}, onRouteChange, onFail)
 				router.setPath("/other", null, {replace: false})
 				$window.history.back()
-				
-				o($window.location.href).equals("http://localhost/" + (prefix ? prefix + "/" : "") + "test")
+
+				var slash = prefix[0] === "/" ? "" : "/"
+
+				o($window.location.href).equals("http://localhost" + slash + (prefix ? prefix + "/" : "") + "test")
 			})
 		})
 	})