diff --git a/Web/Models/Entities/Comment.php b/Web/Models/Entities/Comment.php
index fd32c0b8..c0460dd5 100644
--- a/Web/Models/Entities/Comment.php
+++ b/Web/Models/Entities/Comment.php
@@ -46,8 +46,11 @@ class Comment extends Post
         return parent::getOwner($honourFlags, $real);
     }
 
-    function canBeDeletedBy(User $user): bool
+    function canBeDeletedBy(User $user = NULL): bool
     {
+        if(!$user)
+            return false;
+
         return $this->getOwner()->getId() == $user->getId() ||
                $this->getTarget()->getOwner()->getId() == $user->getId() ||
                $this->getTarget() instanceof Post && $this->getTarget()->getTargetWall() < 0 && (new Clubs)->get(abs($this->getTarget()->getTargetWall()))->canBeModifiedBy($user) ||
diff --git a/Web/Models/Entities/Post.php b/Web/Models/Entities/Post.php
index 21f1591c..5d5469d4 100644
--- a/Web/Models/Entities/Post.php
+++ b/Web/Models/Entities/Post.php
@@ -260,16 +260,22 @@ class Post extends Postable
         $this->save();
     }
     
-    function canBePinnedBy(User $user): bool
+    function canBePinnedBy(User $user = NULL): bool
     {
+        if(!$user)
+            return false;
+
         if($this->getTargetWall() < 0)
             return (new Clubs)->get(abs($this->getTargetWall()))->canBeModifiedBy($user);
         
         return $this->getTargetWall() === $user->getId();
     }
     
-    function canBeDeletedBy(User $user): bool
+    function canBeDeletedBy(User $user = NULL): bool
     {
+        if(!$user)
+            return false;
+        
         if($this->getTargetWall() < 0 && !$this->getWallOwner()->canBeModifiedBy($user) && $this->getWallOwner()->getWallType() != 1 && $this->getSuggestionType() == 0)
             return false;