diff --git a/src/Pecee/SimpleRouter/Route/Route.php b/src/Pecee/SimpleRouter/Route/Route.php
index 0454303..3ddf03f 100644
--- a/src/Pecee/SimpleRouter/Route/Route.php
+++ b/src/Pecee/SimpleRouter/Route/Route.php
@@ -155,7 +155,7 @@ abstract class Route implements IRoute
                         $regex = $parameterRegex ?? $this->defaultParameterRegex ?? static::PARAMETERS_DEFAULT_REGEX;
                     }
 
-                    $regex = sprintf('(\/?|-|\.)(?P<%2$s>%3$s)%1$s', $parameters[2][$key], $name, $regex);
+                    $regex = sprintf('((\/|-|\.)(?P<%2$s>%3$s))%1$s', $parameters[2][$key], $name, $regex);
                 }
 
                 $urlRegex .= preg_quote($t, '/') . $regex;