diff --git a/src/Pecee/SimpleRouter/RouterBase.php b/src/Pecee/SimpleRouter/RouterBase.php
index be513d3..0e94242 100644
--- a/src/Pecee/SimpleRouter/RouterBase.php
+++ b/src/Pecee/SimpleRouter/RouterBase.php
@@ -38,13 +38,17 @@ class RouterBase {
         }
     }
 
-    protected function processRoutes(array $routes, array $settings = array(), array $prefixes = array(), $backstack = false, $group = null) {
+    protected function processRoutes(array $routes, array $settings = array(), array $prefixes = array(), $backStack = false, $group = null) {
         // Loop through each route-request
 
         $activeGroup = null;
 
+        $routesCount = count($routes);
+
         /* @var $route RouterEntry */
-        foreach($routes as $route) {
+        for($i = 0; $i < $routesCount; $i++) {
+
+            $route = $routes[$i];
 
             $route->setGroup($group);
 
@@ -68,7 +72,7 @@ class RouterBase {
             $route->addSettings($settings);
 
             if(!($route instanceof RouterGroup)) {
-                if(is_array($newPrefixes) && count($newPrefixes) && $backstack) {
+                if(is_array($newPrefixes) && count($newPrefixes) && $backStack) {
                     $route->setUrl( join('/', $newPrefixes) . $route->getUrl() );
                 }
 
@@ -84,11 +88,11 @@ class RouterBase {
             $this->currentRoute = null;
 
             if(count($this->backstack)) {
-                $backstack = $this->backstack;
+                $backStack = $this->backstack;
                 $this->backstack = array();
 
                 // Route any routes added to the backstack
-                $this->processRoutes($backstack, $mergedSettings, $newPrefixes, true, $activeGroup);
+                $this->processRoutes($backStack, $mergedSettings, $newPrefixes, true, $activeGroup);
             }
         }
     }