diff --git a/lib/mfrc522/source/loop.php b/lib/mfrc522/source/loop.php
index a7f66e9..e6a48a7 100755
--- a/lib/mfrc522/source/loop.php
+++ b/lib/mfrc522/source/loop.php
@@ -6,13 +6,11 @@
 
 	$f_auth;
 	$f_accesslog;
-	$f_states;
 	$f_actions;
 
-	$state = [];
+	$state = null;
 
 	$actions  = [];
-	$states   = [];
 
 	$last_user = null;
 	$timeout   = 0;
@@ -82,7 +80,7 @@
 		global $timeout;
 
 		/* (2) Caches */
-		global $actions, $states, $state;
+		global $actions, $state;
 
 		/* (3) Log history file descriptor */
 		global $f_accesslog;
@@ -218,7 +216,7 @@
 		global $f_auth, $f_accesslog;
 
 		/* (2) Caches */
-		global $actions, $states, $state;
+		global $actions, $state;
 
 
 
@@ -226,7 +224,6 @@
 		=========================================================*/
 		/* (1) Read accesses */
 		$f_auth      = new SplFileObject(AUTH_CONF, 'r');
-		$f_states    = new SplFileObject(STATES_CONF, 'r');
 		$f_actions   = new SplFileObject(ACTIONS_CONF, 'r');
 		$f_gstate    = @file_get_contents(STATE_CONF);
 
@@ -264,43 +261,24 @@
 
 
 
-		/* [3] Parse STATES and cache them
-		=========================================================*/
-		/* (1) Parse each line */
-		while( $f_states->eof() ){
-			
-			/* (2) Try to parse line */
-			$parsed = json_decode($f_states->fgets(), true);
-
-			/* (2) Ignore if parse error */
-			if( is_null($parsed) )
-				continue;
-
-			/* (3) Add entry to cache */
-			$states[] = $parsed;
-
-		}
-
-		/* (4) Free file descriptor */
-		$f_states = null;
-
-
-
-		/* [4] Cache global state
+		/* [3] Cache global state
 		=========================================================*/
 		/* (1) Check file */
 		if( $f_gstate === false )
-			return false;
+			return 127;
 
 		/* (2) Remove surrounding spaces */
 		$f_gstate = preg_replace('@^\s+@', '', $f_gstate);
 		$f_gstate = preg_replace('@\s+$@', '', $f_gstate);
 
 		/* (3) For each character create an entry */
-		for( $c = 0 ; $c < strlen($f_gstate) ; $c++ )
-			$state[] = $c;
+		$state = str_split($f_gstate);
+
+		/* (4) Manage error */
+		if( is_null($state) )
+			return 127;
 	
-		return true;
+		return 0;
 	}
 
 
@@ -316,7 +294,7 @@
 		global $timeout;
 
 		/* (2) Caches */
-		global $actions, $states, $state;
+		global $actions, $state;
 
 
 
@@ -411,7 +389,7 @@
 	$exec = mfrc522_setup();
 
 	/* (2) Manage error */
-	if( $exec === false ){
+	if( $exec != 0 ){
 		slog('cannot set up the daemon', 'mfrc522:loop');
 		echo $exec;
 		die($exec);