diff --git a/src/Controller/SecurityController.php b/src/Controller/SecurityController.php
index d6a6a73..5188cf7 100755
--- a/src/Controller/SecurityController.php
+++ b/src/Controller/SecurityController.php
@@ -327,7 +327,7 @@ class SecurityController extends AbstractController
         $this->tokenstorage->setToken(null);
         $request->getSession()->invalidate();
 
-        return $this->redirect($this->generateUrl('app_home'));
+        return $this->redirectToRoute('app_home');
     }
 
     public function logoutCAS(Request $request)
@@ -353,7 +353,7 @@ class SecurityController extends AbstractController
         $this->tokenstorage->setToken(null);
         $request->getSession()->invalidate();
 
-        return $this->redirect($this->generateUrl('app_home'));
+        return $this->redirectToRoute('app_home');
     }
     
     public function logoutOPENID(Request $request)
@@ -370,11 +370,11 @@ class SecurityController extends AbstractController
             $callback = $this->generateUrl('app_home', [], UrlGeneratorInterface::ABSOLUTE_URL);
             $callback = substr($callback, 0, -1);
         
-            $url .= "?id_token_hint=$idtoken&scope=openid&post_logout_redirect_uri=$callback";
+            $url .= "?id_token_hint=$idtoken&scope=openid profile email&post_logout_redirect_uri=$callback";
 
             return $this->redirect($url);
         } else {
-            return $this->redirect($this->generateUrl('app_home'));
+            return $this->redirectToRoute('app_home');
         }
     }
 
@@ -451,7 +451,7 @@ class SecurityController extends AbstractController
         if ($redirect) {
             return $this->redirect($redirect);
         } else {
-            return $this->redirect($this->generateUrl('app_home'));
+            return $this->redirectToRoute('app_home');
         }
     }
 }
diff --git a/src/Service/LdapService.php b/src/Service/LdapService.php
index 0776e18..4c4e732 100755
--- a/src/Service/LdapService.php
+++ b/src/Service/LdapService.php
@@ -673,6 +673,7 @@ class LdapService
         $connection = $this->connect();
         $res = ldap_search($connection, $this->basedn, str_replace('*', $username, $this->filteruser));
         $first = ldap_first_entry($this->connection, $res);
+        if(!$first) return false;
         $dn = ldap_get_dn($this->connection, $first);
         return $dn;
     }