diff --git a/index.php b/index.php
index 0077cac..52fd7c6 100644
--- a/index.php
+++ b/index.php
@@ -131,8 +131,7 @@
             fwrite($myfile, $content);
             fclose($myfile);
 
-            $_POST["signature"] = null;
-            $_POST["body"] = null;
+            $_POST = array();
         }
 
         // show content