diff --git a/index.coffee b/index.coffee
index af67590..66eb1ba 100644
--- a/index.coffee
+++ b/index.coffee
@@ -100,7 +100,7 @@ export shouldOpenInNewWindow = (url) ->
 # add trailing slash 
 export addTrailingSlash = (to) -> 
 	url = new URL to
-	url.pathname += if url.pathname.endsWith "/" then "" else "/"
+	url.pathname += if url.pathname.match(/\/$/) then "" else "/"
 	url.toString()
 
 # Directive definition with settings method for overriding the default settings.
diff --git a/index.js b/index.js
index 6ce14f9..00de52e 100644
--- a/index.js
+++ b/index.js
@@ -179,13 +179,11 @@ var shouldOpenInNewWindow = exports.shouldOpenInNewWindow = function shouldOpenI
 var addTrailingSlash = exports.addTrailingSlash = function addTrailingSlash(to) {
   var url;
   url = new _urlParse2.default(to);
-  url.pathname += url.pathname.endsWith("/") ? "" : "/";
+  url.pathname += url.pathname.match(/\/$/) ? "" : "/";
   return url.toString();
 };
 
 exports.default = {
-  // if to.match /\/$/ then to else to + '/'
-
   // Directive definition with settings method for overriding the default settings.
   // I'm relying on Browser garbage collection to cleanup listeners.
   bind: bind,