diff --git a/ajax/getusers.php b/ajax/getusers.php
index 2f36f84..30e6657 100644
--- a/ajax/getusers.php
+++ b/ajax/getusers.php
@@ -1,4 +1,4 @@
-<option>Selecciona usuari...</option>
+<option selected disabled hidden>Selecciona usuari...</option>
 
 <?php
 	require '../credentials.php';
diff --git a/index.php b/index.php
index f770c9b..16378a9 100644
--- a/index.php
+++ b/index.php
@@ -28,6 +28,14 @@
 		<script>
 			$.post("./ajax/getusers.php", function(data, status){
 				$("#list").html(data);
+								
+				userid = <?=isset($_COOKIE['user']) ? $_COOKIE['user'] : -1 ?>;
+				username = $('option[value=' + userid + ']').text();
+		
+				if (userid > 0) {
+					redir = confirm("Has entrat com a usuari " + username + " anteriorment, vols tornar-ho a fer?");
+					if (redir) window.location.href = 'main.php';
+				}
 			});
 
 			$('select').on('change', function() {
diff --git a/php/request.php b/php/request.php
index 58201ae..12f0f7d 100644
--- a/php/request.php
+++ b/php/request.php
@@ -4,7 +4,7 @@
 
 	// Do the query
 	$queries = [""];
-	$victimid = "ANY (SELECT quimata FROM users WHERE id=".(int)$_POST['user_id'].")";
+	$victimid = "ANY (SELECT quimata FROM (SELECT * FROM users) AS victims WHERE id=".(int)$_POST['user_id'].")";
 	
 	if ($_POST['msg'] == "REQ KILL") $queries = ["UPDATE users SET requested=1 WHERE id=".$victimid]; 						// request kill
 	if ($_POST['msg'] == "REQ DEAD") $queries = ["UPDATE users SET requested=2 WHERE quimata=".(int)$_POST['user_id']]; 	// request dead
@@ -16,6 +16,6 @@
 	// Fetch the information of the user
 	foreach ($queries as $query) {
 		if ($query != "" and $result = query($query)) echo $query;
-		else die("Wrong query: " . $query);
+		else die("Query failed: " . $result);
 	}
 ?>
diff --git a/php/utils.php b/php/utils.php
index ae0cb5b..1e20ebf 100644
--- a/php/utils.php
+++ b/php/utils.php
@@ -20,7 +20,7 @@
 		$conn->set_charset("utf8");
 		
 		// Execute query and save result
-		$result = $conn->query($query);
+		if (!$result = $conn->query($query)) $result = $conn->error;
 		
 		// Close the connection 
 		$conn->close();
@@ -54,7 +54,7 @@
 			}
 			$result->close();
 		} else {
-			die("Wrong query: " . $query);
+			die("Query failed: " . $query);
 		}
 		
 		if ($id > 0) return $users[0];