diff --git a/lib/mfrc522/source/loop.php b/lib/mfrc522/source/loop.php
index 6553a8c..9c37c63 100755
--- a/lib/mfrc522/source/loop.php
+++ b/lib/mfrc522/source/loop.php
@@ -212,6 +212,7 @@
 
 		/* (2) Update the state file */
 		var_dump('before : '.get_gstate());
+		var_dump('towrite : '.$state);
 		$written = @file_put_contents(STATE_CONF, $state);
 
 		/* (3) Manage error */