diff --git a/src/Twig/OrganisationsExtension.php b/src/Twig/OrganisationsExtension.php
index 2f78b2c..b2ac3ee 100644
--- a/src/Twig/OrganisationsExtension.php
+++ b/src/Twig/OrganisationsExtension.php
@@ -9,6 +9,7 @@
 
 namespace UserFrosting\Sprinkle\Organisations\Twig;
 
+use Illuminate\Database\Capsule\Manager as Capsule;
 use Psr\Container\ContainerInterface;
 use Twig\Extension\AbstractExtension;
 use Twig\Extension\GlobalsInterface;
@@ -51,16 +52,21 @@ class OrganisationsExtension extends AbstractExtension implements GlobalsInterfa
         return [
             // Add Twig function for checking permissions during dynamic menu rendering
             new TwigFunction('isOrganisationMember', function ($organisation) {
-                $authorizer = $this->services->authorizer;
                 $currentUser = $this->services->currentUser;
 
-                return $authorizer->runCallback($currentUser, 'is_organisation_member', $currentUser->id, $organisation->id);
+                return Capsule::table('organisation_members')
+                    ->where('user_id', $currentUser->id)
+                    ->where('organisation_id', $organisation->id)
+                    ->count() > 0;
             }),
             new TwigFunction('isOrganisationAdmin', function ($organisation) {
-                $authorizer = $this->services->authorizer;
                 $currentUser = $this->services->currentUser;
 
-                return $authorizer->runCallback($currentUser, 'is_organisation_admin', $currentUser->id, $organisation->id);
+                return Capsule::table('organisation_members')
+                    ->where('user_id', $currentUser->id)
+                    ->where('organisation_id', $organisation->id)
+                    ->where('flag_admin', true)
+                    ->count() > 0;
             }),
             new TwigFunction('hasRole', function ($roleSlug) {
                 $currentUser = $this->services->currentUser;
diff --git a/templates/pages/organisation.html.twig b/templates/pages/organisation.html.twig
index 3e17f39..4d9f739 100644
--- a/templates/pages/organisation.html.twig
+++ b/templates/pages/organisation.html.twig
@@ -31,7 +31,7 @@
                                             </a>
                                         </li>
                                         {% endif %}
-                                        {% if checkAccess('leave_organisation') and (isOrganisationMember(organisation)) %}
+                                        {% if checkAccess('leave_organisation') and isOrganisationMember(organisation) %}
                                         <li>
                                             <a href="#" class="js-organisation-leave" data-slug="{{organisation.slug}}">
                                                 <i class="fas fa-door-open fa-fw"></i> {{translate('ORGANISATION.LEAVE')}}