diff --git a/project_browser.routing.yml b/project_browser.routing.yml
index a2f20a9532a119608846728da327e64085063b1a..ad8d2d1fd7b15b6f7d780eea136e58a940fea8e1 100644
--- a/project_browser.routing.yml
+++ b/project_browser.routing.yml
@@ -23,6 +23,7 @@ project_browser.browse:
   defaults:
     _controller: '\Drupal\project_browser\Controller\BrowserController::browse'
     _title: 'Browse projects'
+    source: ''
   requirements:
     _permission: 'administer modules'
 project_browser.settings:
diff --git a/src/Controller/BrowserController.php b/src/Controller/BrowserController.php
index 0f1a7a736ebb7b0ac5a0b25d9bedacaa94805f90..00053215b9d5a9dbd5d5f9d2d7ceb1fddde7bbb0 100644
--- a/src/Controller/BrowserController.php
+++ b/src/Controller/BrowserController.php
@@ -31,6 +31,14 @@ class BrowserController extends ControllerBase {
    *   A render array.
    */
   public function browse(string $source): array {
+
+    if ($source == '') {
+      $enabled_sources = $this->config('project_browser.admin_settings')->get('enabled_sources') ?? [];
+      if (!empty($enabled_sources) && isset($enabled_sources[0])) {
+        $source = $enabled_sources[0];
+      }
+    }
+
     return [
       '#type' => 'project_browser',
       '#source' => $source,