diff --git a/src/Pecee/SimpleRouter/RouterEntry.php b/src/Pecee/SimpleRouter/RouterEntry.php
index 0372166..435324b 100644
--- a/src/Pecee/SimpleRouter/RouterEntry.php
+++ b/src/Pecee/SimpleRouter/RouterEntry.php
@@ -278,10 +278,10 @@ abstract class RouterEntry {
 
                 if($lastCharacter === '?') {
                     $parameter = substr($parameter, 0, strlen($parameter)-1);
-                    $regex .= '(?:(?:\/{0,1}(?P<'.$parameter.'>[^\/]*)))\\/{0,1}';
+                    $regex .= '\\/?(?P<'.$parameter.'>[^\/]*)\\/?';
                     $required = false;
                 } else {
-                    $regex .= '(?:\\/{0,1}(?P<' . $parameter . '>'. $parameterRegex .')\\/{0,1})';
+                    $regex .= '\\/(?P<' . $parameter . '>'. $parameterRegex .')\\/';
                 }
                 $parameterNames[] = array('name' => $parameter, 'required' => $required);
                 $parameter = '';