diff --git a/app/Models/Ecommerce/Product/Category/Category.php b/app/Models/Ecommerce/Product/Category/Category.php
index a880d96..1af4f7c 100644
--- a/app/Models/Ecommerce/Product/Category/Category.php
+++ b/app/Models/Ecommerce/Product/Category/Category.php
@@ -82,7 +82,7 @@ class Category extends Model implements HasMedia, Sortable
     {
         $this->addMediaCollection('uploads')
             ->singleFile()
-            ->acceptsMimeTypes(['image/jpg', 'image/jpeg', 'image/png'])
+            ->acceptsMimeTypes()
             ->useFallbackUrl(
                 sprintf('%s/logo-space.png', config('app.url'))
             );
diff --git a/app/Policies/Ecommerce/Channel/ChannelPolicy.php b/app/Policies/Ecommerce/Channel/ChannelPolicy.php
index 2ae4000..87fd0bc 100644
--- a/app/Policies/Ecommerce/Channel/ChannelPolicy.php
+++ b/app/Policies/Ecommerce/Channel/ChannelPolicy.php
@@ -64,8 +64,8 @@ class ChannelPolicy
      */
     public function update(User $user, Channel $channel): Response
     {
-        if ($user->hasRole(['admin'])) {
-            return $this->allow();
+        if (tmpostChannel()->slug === $channel->slug) {
+            return $this->deny();
         }
 
         return $this->deny();