diff --git a/Security/Authorization/ActivityStatsVoter.php b/Security/Authorization/ActivityStatsVoter.php
index dc8832635..93d8117a9 100644
--- a/Security/Authorization/ActivityStatsVoter.php
+++ b/Security/Authorization/ActivityStatsVoter.php
@@ -45,7 +45,7 @@ class ActivityStatsVoter extends AbstractChillVoter implements ProvideRoleHierar
         $this->helper = $helper;
     }
 
-    protected function getSupportedAttributes()
+    private function getAttributes()
     {
         return array(self::STATS, self::LISTS);
     }
@@ -54,6 +54,17 @@ class ActivityStatsVoter extends AbstractChillVoter implements ProvideRoleHierar
     {
         return array(Center::class);
     }
+    
+    protected function supports($attribute, $subject)
+    {
+        if ($subject instanceof Center 
+            && \in_array($attribute, $this->getAttributes())) {
+            
+            return true;
+        }
+        
+        return false;
+    }
 
     protected function isGranted($attribute, $object, $user = null)
     {
@@ -66,12 +77,12 @@ class ActivityStatsVoter extends AbstractChillVoter implements ProvideRoleHierar
 
     public function getRoles()
     {
-        return $this->getSupportedAttributes();
+        return $this->getAttributes();
     }
 
     public function getRolesWithoutScope()
     {
-        return $this->getSupportedAttributes();
+        return $this->getAttributes();
     }
 
     public function getRolesWithHierarchy()
diff --git a/Security/Authorization/ActivityVoter.php b/Security/Authorization/ActivityVoter.php
index 79b5b8202..5d0d50906 100644
--- a/Security/Authorization/ActivityVoter.php
+++ b/Security/Authorization/ActivityVoter.php
@@ -55,10 +55,7 @@ class ActivityVoter extends AbstractChillVoter implements ProvideRoleHierarchyIn
     protected function supports($attribute, $subject)
     {
         if ($subject instanceof Activity) {
-            return \in_array($attribute, [
-              self::CREATE, self::SEE, self::UPDATE, self::DELETE,
-                  self::SEE_DETAILS
-            ]);
+            return \in_array($attribute, $this->getAttributes());
         } else {
             return false;
         }
@@ -71,11 +68,17 @@ class ActivityVoter extends AbstractChillVoter implements ProvideRoleHierarchyIn
         }
         return $this->helper->userHasAccess($token->getUser(), $subject, $attribute);
     }
+    
+    private function getAttributes()
+    {
+        return [ self::CREATE, self::SEE, self::UPDATE, self::DELETE,
+                  self::SEE_DETAILS ];
+    }
 
 
     public function getRoles()
     {
-        return $this->getSupportedAttributes();
+        return $this->getAttributes();
     }
 
     public function getRolesWithoutScope()