diff --git a/application/models/media_model.php b/application/models/media_model.php
index 440940c2..d7e8df69 100755
--- a/application/models/media_model.php
+++ b/application/models/media_model.php
@@ -745,13 +745,15 @@ public function get_unused_files()
 	public function delete_files($files=array())
 	{
 		$nb = 0;
-
-		foreach ($files as $path)
+		if(is_array($files)) 
 		{
-			if (file_exists(FCPATH.$path))
+			foreach ($files as $path)
 			{
-				@unlink(FCPATH.$path);
-			}
+				if (file_exists(FCPATH.$path))
+				{
+					@unlink(FCPATH.$path);
+				}
+			}	
 		}
 
 		return $nb;