diff --git a/lib/Controller/CssController.php b/lib/Controller/CssController.php
index d10f59e..852964f 100644
--- a/lib/Controller/CssController.php
+++ b/lib/Controller/CssController.php
@@ -89,9 +89,9 @@ class CssController extends Controller
                 'icon-invert-filter' => abs($this->config->getAppValueInt('icon-invert-filter', '0')).'%',
                 'icon-opacity' => abs($this->config->getAppValueInt('icon-opacity', '100') / 100),
             ],
-            'display-logo' => $this->config->getAppValueBool('display-logo', 1),
-            'opener-only' => $this->config->getAppValueBool('opener-only', 0),
-            'external-sites-in-top-menu' => $this->config->getAppValueBool('external-sites-in-top-menu', 0),
+            'display-logo' => $this->config->getAppValueBool('display-logo', '1'),
+            'opener-only' => $this->config->getAppValueBool('opener-only', '0'),
+            'external-sites-in-top-menu' => $this->config->getAppValueBool('external-sites-in-top-menu', '0'),
             'size-icon' => $this->config->getAppValue('size-icon', 'normal'),
             'size-text' => $this->config->getAppValue('size-text', 'normal'),
             'always-displayed' => $this->config->getAppValueBool('always-displayed', '0'),
diff --git a/lib/Controller/JsController.php b/lib/Controller/JsController.php
index f4e41b7..a83a6ab 100644
--- a/lib/Controller/JsController.php
+++ b/lib/Controller/JsController.php
@@ -116,7 +116,7 @@ class JsController extends Controller
         return [
             'opener-position' => $this->config->getAppValue('opener-position', 'before'),
             'opener-hover' => $this->config->getAppValueBool('opener-hover', '0'),
-            'external-sites-in-top-menu' => $this->config->getAppValueBool('external-sites-in-top-menu', 0),
+            'external-sites-in-top-menu' => $this->config->getAppValueBool('external-sites-in-top-menu', '0'),
             'force-light-icon' => $this->config->getAppValueBool('force-light-icon', '0'),
             'hide-when-no-apps' => $this->config->getAppValueBool('hide-when-no-apps', '0'),
             'loader-enabled' => $this->config->getAppValueBool('loader-enabled', '1'),
diff --git a/lib/Controller/NavController.php b/lib/Controller/NavController.php
index e82435c..c34cb52 100644
--- a/lib/Controller/NavController.php
+++ b/lib/Controller/NavController.php
@@ -88,7 +88,7 @@ class NavController extends Controller
         $apps = $this->appRepository->getVisibleApps();
         $currentLanguage = substr($this->l10nFactory->findLanguage(), 0, 2);
         $categoriesLabels = $this->categoryFetcher->get();
-        $externalSitesInTopMenu = $this->config->getAppValueBool('external-sites-in-top-menu', 0);
+        $externalSitesInTopMenu = $this->config->getAppValueBool('external-sites-in-top-menu', '0');
         $user = OC::$server[IUserSession::class]->getUser();
         $appsCategories = [];
         $categoriesAppsCount = [];