diff --git a/upload/engine/skin.class.php b/upload/engine/skin.class.php
index 46e6213..737a4c0 100644
--- a/upload/engine/skin.class.php
+++ b/upload/engine/skin.class.php
@@ -149,7 +149,7 @@
 	public function is_skin_valid($size){
 		$formats = $this->core->get_array_formats();
 
-		$max_ratio = $this->user->permissions->max_ratio;
+		$max_ratio = $this->user->permissions->sys_max_ratio;
 
 		if($max_ratio<=0){ return false; }
 
@@ -169,4 +169,4 @@
 	
 }
 
-?>
\ No newline at end of file
+?>