diff --git a/src/Twig/OrganisationsExtension.php b/src/Twig/OrganisationsExtension.php
index a9aea51..99f843a 100644
--- a/src/Twig/OrganisationsExtension.php
+++ b/src/Twig/OrganisationsExtension.php
@@ -77,7 +77,7 @@ class OrganisationsExtension extends AbstractExtension implements GlobalsInterfa
         ];
     }
 
-    public function getGlobals()
+    public function getGlobals(): array
     {
         $config = $this->services->config['organisation'];