diff --git a/system/Router/RouteCollection.php b/system/Router/RouteCollection.php
index 7eded3411b7f..65bf4f4985af 100644
--- a/system/Router/RouteCollection.php
+++ b/system/Router/RouteCollection.php
@@ -357,9 +357,14 @@ protected function discoverRoutes()
         if ($this->moduleConfig->shouldDiscover('routes')) {
             $files = $this->fileLocator->search('Config/Routes.php');
 
+            $excludes = [
+                APPPATH . 'Config' . DIRECTORY_SEPARATOR . 'Routes.php',
+                SYSTEMPATH . 'Config' . DIRECTORY_SEPARATOR . 'Routes.php',
+            ];
+
             foreach ($files as $file) {
                 // Don't include our main file again...
-                if ($file === APPPATH . 'Config/Routes.php') {
+                if (in_array($file, $excludes, true)) {
                     continue;
                 }