diff --git a/server_files/controllers/ajouter_admin.php b/server_files/controllers/ajouter_admin.php
index c991f0f..395349c 100644
--- a/server_files/controllers/ajouter_admin.php
+++ b/server_files/controllers/ajouter_admin.php
@@ -6,7 +6,7 @@ if (!isset($_SESSION["role"]) || $_SESSION["role"] != Role::ADMIN)
 $has_error = false;
 $error_message = null;
 
-if (isset($_POST["submitted"])) {
+if (isset($_POST["add_admin"])) {
 	$admin = new NewAdmin($_POST);
 	try {
 		$admin->makeVerifications();
diff --git a/server_files/controllers/ajouter_equipe.php b/server_files/controllers/ajouter_equipe.php
index 46d9226..5017c77 100644
--- a/server_files/controllers/ajouter_equipe.php
+++ b/server_files/controllers/ajouter_equipe.php
@@ -6,7 +6,7 @@ if (!isset($_SESSION["role"]) || ($_SESSION["role"] != Role::PARTICIPANT && $_SE
 $has_error = false;
 $error_message = null;
 
-if (isset($_POST["submitted"])) {
+if (isset($_POST["add_team"])) {
     $new_team = new NewTeam($_POST);
     try {
     	$new_team->makeVerifications();
diff --git a/server_files/controllers/connexion.php b/server_files/controllers/connexion.php
index 63dfd9c..811abf1 100644
--- a/server_files/controllers/connexion.php
+++ b/server_files/controllers/connexion.php
@@ -3,7 +3,7 @@
 $has_error = false;
 $error_message = null;
 
-if (isset($_POST["submitted"]) && !isset($_SESSION["user_id"])) {
+if (isset($_POST["login"]) && !isset($_SESSION["user_id"])) {
 	$logging_in_user = new LoggingInUser($_POST);
 	try {
 		$logging_in_user->makeVerifications();
diff --git a/server_files/controllers/inscription.php b/server_files/controllers/inscription.php
index 8b4d9af..851909d 100644
--- a/server_files/controllers/inscription.php
+++ b/server_files/controllers/inscription.php
@@ -3,7 +3,7 @@
 $has_error = false;
 $error_message = null;
 
-if (isset($_POST["submitted"])) {
+if (isset($_POST["register"])) {
 	$user = new NewUser($_POST);
 
 	try {
diff --git a/server_files/controllers/mon_compte.php b/server_files/controllers/mon_compte.php
index a539efc..a44755b 100644
--- a/server_files/controllers/mon_compte.php
+++ b/server_files/controllers/mon_compte.php
@@ -9,7 +9,7 @@ $user = $_SESSION["user"];
 $has_error = false;
 $error_message = null;
 
-if (isset($_POST["submitted"])) {
+if (isset($_POST["update_team"])) {
     $my_account = new MyAccount($_POST);
     try {
     	$my_account->makeVerifications();
diff --git a/server_files/controllers/rejoindre_equipe.php b/server_files/controllers/rejoindre_equipe.php
index d926238..4e11071 100644
--- a/server_files/controllers/rejoindre_equipe.php
+++ b/server_files/controllers/rejoindre_equipe.php
@@ -6,7 +6,7 @@ if (isset($_SESSION["team"]) || !isset($_SESSION["user"]) || ($_SESSION["role"]
 $has_error = false;
 $error_message = null;
 
-if (isset($_POST["submitted"])) {
+if (isset($_POST["join_team"])) {
 	$join_team = new JoinTeam($_POST);
 	try {
 		$join_team->makeVerifications();
diff --git a/server_files/views/ajouter_admin.php b/server_files/views/ajouter_admin.php
index d4f2ac4..2480cc3 100644
--- a/server_files/views/ajouter_admin.php
+++ b/server_files/views/ajouter_admin.php
@@ -1,12 +1,13 @@
 <?php
 require_once "header.php";
 
-if (isset($admin) && !$has_error) {
-    echo "<h2>Organisateur ajouté avec succès ! Ses identifiants ont été transmis par mail.</h2>";
-} ?>
+if (isset($admin) && !$has_error) { ?>
+    <div class="alert alert-success">
+        Organisateur ajouté avec succès ! Ses identifiants ont été transmis par mail.
+    </div>
+<?php } ?>
 
 <form method="POST">
-	<input type="hidden" name="submitted" value="true"/>
 	<table style="width: 100%;">
 		<tbody>
 		<tr>
@@ -35,7 +36,7 @@ if (isset($admin) && !$has_error) {
 		</tr>
 		<tr>
 			<td colspan="2">
-				<input style="width: 100%;" type="submit" value="Ajouter un administrateur"/>
+				<input style="width: 100%;" type="submit" name="add_admin" value="Ajouter un administrateur"/>
 			</td>
 		</tr>
 		</tbody>
diff --git a/server_files/views/ajouter_equipe.php b/server_files/views/ajouter_equipe.php
index 6b0ac82..4f56f71 100644
--- a/server_files/views/ajouter_equipe.php
+++ b/server_files/views/ajouter_equipe.php
@@ -10,7 +10,6 @@ if (isset($new_team) && !$has_error) { ?>
 <?php } else { ?>
 
 <form method="POST">
-    <input type="hidden" name="submitted" value="true" />
     <table style="width: 100%;">
         <tbody>
         <tr>
@@ -50,7 +49,7 @@ if (isset($new_team) && !$has_error) { ?>
         </tr>
         <tr>
             <td colspan="2">
-                <input style="width: 100%;" type="submit" value="Ajouter une équipe" />
+                <input style="width: 100%;" type="submit" name="add_team" value="Ajouter une équipe" />
             </td>
         </tr>
         </tbody>
diff --git a/server_files/views/connexion.php b/server_files/views/connexion.php
index d9354ba..2efc132 100644
--- a/server_files/views/connexion.php
+++ b/server_files/views/connexion.php
@@ -45,7 +45,6 @@ if (isset($_GET["mdp_oublie"])) { ?>
     <form method="POST" class="jumbotron mt-5">
         <h1 class="display-4">Connexion</h1>
         <hr class="mt-2 mb-4"/>
-        <input type="hidden" name="submitted" value="true"/>
         <div class="form-group">
             <label for="email">E-mail :</label>
             <input class="form-control" type="email" id="email" name="email"
@@ -55,7 +54,7 @@ if (isset($_GET["mdp_oublie"])) { ?>
             <label for="password">Mot de passe :</label>
             <input class="form-control" type="password" id="password" name="password"/>
         </div>
-        <input class="btn btn-primary btn-block" type="submit" value="Se connecter"/>
+        <input class="btn btn-primary btn-block" name="login" type="submit" value="Se connecter"/>
     </form>
     <div class="alert">
         <!--suppress HtmlUnknownTarget -->
diff --git a/server_files/views/inscription.php b/server_files/views/inscription.php
index 7074906..7da657c 100644
--- a/server_files/views/inscription.php
+++ b/server_files/views/inscription.php
@@ -24,8 +24,6 @@ if (isset($user) && !$has_error) {
 <?php } else { ?>
 
     <form method="POST">
-        <input type="hidden" name="submitted" value="true"/>
-
         <div class="form-group row">
             <label for="role">Rôle :</label>
             <select id="role" name="role" onchange="selectRole()" class="custom-select">
@@ -93,7 +91,7 @@ if (isset($user) && !$has_error) {
         </div>
 
         <div class="form-group row">
-            <input class="btn btn-primary btn-lg btn-block" type="submit" value="S'inscrire"/>
+            <input class="btn btn-primary btn-lg btn-block" name="register" type="submit" value="S'inscrire"/>
         </div>
     </form>
 
diff --git a/server_files/views/mon_compte.php b/server_files/views/mon_compte.php
index 87a5474..7a41990 100644
--- a/server_files/views/mon_compte.php
+++ b/server_files/views/mon_compte.php
@@ -12,7 +12,6 @@ if (!$has_error && (isset($my_account) || isset($new_password))) {
 <?php } ?>
 
 <form method="POST">
-	<input type="hidden" name="submitted" value="true"/>
 	<table style="width: 100%">
 		<tr>
 			<td style="width: 30%"><label for="email">E-mail :</label></td>
@@ -61,7 +60,7 @@ if (!$has_error && (isset($my_account) || isset($new_password))) {
             <td style="text-align: center;" colspan="2"><input type="checkbox" id="receive_animath_mails" name="receive_animath_mails" <?= $user->doReceiveAnimathMails() ? "checked" : "" ?> /> <label for="receive_animath_mails">J'accepte de recevoir des mails de la part d'Animath</label></td>
         </tr>
 		<tr>
-			<td colspan="2"><input type="submit" style="width: 100%" value="Mettre à jour mes données"/></td>
+			<td colspan="2"><input type="submit" style="width: 100%" name="update_team" value="Mettre à jour mes données"/></td>
 		</tr>
 	</table>
 </form>
diff --git a/server_files/views/rejoindre_equipe.php b/server_files/views/rejoindre_equipe.php
index 79bf584..03a0570 100644
--- a/server_files/views/rejoindre_equipe.php
+++ b/server_files/views/rejoindre_equipe.php
@@ -10,7 +10,6 @@ if (isset($join_team) && !$has_error) { ?>
 	<?php if ($has_error) echo "<h2>Erreur : " . $error_message . "</h2>"; ?>
 
 	<form method="POST">
-		<input type="hidden" name="submitted" value="true" />
 		<table style="width: 100%;">
 			<tbody>
 			<tr>
@@ -23,7 +22,7 @@ if (isset($join_team) && !$has_error) { ?>
 			</tr>
 			<tr>
 				<td colspan="2">
-					<input style="width: 100%;" type="submit" value="Rejoindre l'équipe" />
+					<input style="width: 100%;" name="join_team" type="submit" value="Rejoindre l'équipe" />
 				</td>
 			</tr>
 			</tbody>