diff --git a/lib/mfrc522/source/loop.php b/lib/mfrc522/source/loop.php
index 5841cd8..bb49c59 100755
--- a/lib/mfrc522/source/loop.php
+++ b/lib/mfrc522/source/loop.php
@@ -139,8 +139,10 @@
 		}
 
 		/* (4) If no action found -> abort */
-		if( count($grantedFor) == 0 )
+		if( count($grantedFor) == 0 ){
+			slog('user not granted to any action', 'mfrc522:loop');
 			return false;
+		}
 
 
 		/* [4] Manage action depending on the actual STATE
@@ -178,8 +180,10 @@
 		}
 
 		/* (6) If no action cant be performed -> abort */
-		if( is_null($toPerform) )
+		if( is_null($toPerform) ){
+			slog('global state allows no action to be performed', 'mfrc522:loop');
 			return false;
+		}
 
 		/* (7) Extract corresponding action */
 		$action = $grantedFor[$toPerform];