diff --git a/app/Models/Abstracted/Catalog.php b/app/Models/Abstracted/Catalog.php
index 3eefb30..e8040f5 100644
--- a/app/Models/Abstracted/Catalog.php
+++ b/app/Models/Abstracted/Catalog.php
@@ -201,13 +201,13 @@ abstract class Catalog extends Model
 
 		switch ($type)
 		{
-			case 'a': $t = fileatime($this->filename);
+			case 'a': $t = fileatime($this->file_path());
 				break;
 
-			case 'c': $t = filectime($this->filename);
+			case 'c': $t = filectime($this->file_path());
 				break;
 
-			case 'm': $t = filemtime($this->filename);
+			case 'm': $t = filemtime($this->file_path());
 				break;
 		}
 
@@ -489,7 +489,7 @@ abstract class Catalog extends Model
 	{
 		$this->signature = $this->property('signature');
 
-		$this->file_signature = md5_file($this->filename);
+		$this->file_signature = md5_file($this->file_path());
 	}
 
 	/**