diff --git a/server_files/classes/User.php b/server_files/classes/User.php
index 2aa8382..b81bd99 100644
--- a/server_files/classes/User.php
+++ b/server_files/classes/User.php
@@ -323,7 +323,7 @@ class User
 	public function getTeams()
 	{
 		global $DB;
-		$req = $DB->query("SELECT `id` FROM `teams` WHERE `encadrant` = $this->id;");
+		$req = $DB->query("SELECT `id` FROM `teams` WHERE `encadrant` = $this->id OR `participant_1` = $this->id OR `participant_2` = $this->id OR `participant_3` = $this->id OR `participant_4` = $this->id OR `participant_5` = $this->id;");
 
 		$teams = [];
 
diff --git a/server_files/controllers/commenter_echange.php b/server_files/controllers/commenter_echange.php
index bfa4c6a..b1f3e92 100644
--- a/server_files/controllers/commenter_echange.php
+++ b/server_files/controllers/commenter_echange.php
@@ -13,7 +13,7 @@ $team = $user->getRole() == Role::PARTICIPANT ? $_SESSION["team"] : Team::fromTr
 if ($team == null)
 	require_once "server_files/404.php";
 
-if ($team->getEncadrantId() != $user->getId() || $team->getValidationStatus() != ValidationStatus::VALIDATED)
+if ($user->getRole() == Role::ENCADRANT && $team->getEncadrantId() != $user->getId() || $team->getValidationStatus() != ValidationStatus::VALIDATED)
 	require_once "server_files/403.php";
 
 if (isset($_POST["upload_answer"])) {
diff --git a/server_files/controllers/envoyer_video.php b/server_files/controllers/envoyer_video.php
index 1de3c6b..e20c006 100644
--- a/server_files/controllers/envoyer_video.php
+++ b/server_files/controllers/envoyer_video.php
@@ -13,7 +13,7 @@ $user = $_SESSION["user"];
 if ($team == null)
 	require_once "server_files/404.php";
 
-if ($team->getEncadrantId() != $user->getId() || $team->getValidationStatus() != ValidationStatus::VALIDATED)
+if ($user->getRole() == Role::ENCADRANT && $team->getEncadrantId() != $user->getId() || $team->getValidationStatus() != ValidationStatus::VALIDATED)
 	require_once "server_files/403.php";
 
 $has_error = false;
diff --git a/server_files/controllers/informations.php b/server_files/controllers/informations.php
index 149cb59..370cfcf 100644
--- a/server_files/controllers/informations.php
+++ b/server_files/controllers/informations.php
@@ -15,6 +15,8 @@ if ($user === null)
 	require_once "server_files/404.php";
 
 $teams = $user->getTeams();
+if ($user->getRole() == Role::PARTICIPANT)
+	$team = sizeof($teams) == 0 ? null : $teams[0];
 
 $has_error = false;
 $error_message = null;
diff --git a/server_files/controllers/ma_participation.php b/server_files/controllers/ma_participation.php
index a83ed0a..6452ed1 100644
--- a/server_files/controllers/ma_participation.php
+++ b/server_files/controllers/ma_participation.php
@@ -11,7 +11,7 @@ if (isset($_SESSION["user_id"]) && isset($_SESSION["teams"]) && sizeof($_SESSION
 	if ($team == null)
 		require_once "server_files/404.php";
 
-	if ($team->getEncadrantId() != $user->getId())
+	if ($user->getRole() == Role::ENCADRANT && $team->getEncadrantId() != $user->getId())
 		require_once "server_files/403.php";
 
 	$video = Video::getVideo(Reason::SOLUTION, $team);
diff --git a/server_files/controllers/mon_equipe.php b/server_files/controllers/mon_equipe.php
index 34182dd..21f1ad0 100644
--- a/server_files/controllers/mon_equipe.php
+++ b/server_files/controllers/mon_equipe.php
@@ -49,7 +49,7 @@ if (isset($_SESSION["user_id"]) && isset($_SESSION["teams"]) && sizeof($_SESSION
 	if ($team == null)
 		require_once "server_files/404.php";
 
-	if ($team->getEncadrantId() != $user->getId())
+	if ($user->getRole() == Role::ENCADRANT && $team->getEncadrantId() != $user->getId())
 		require_once "server_files/403.php";
 
 	$documents = $team->getAllDocuments();
diff --git a/server_files/controllers/poser_questions.php b/server_files/controllers/poser_questions.php
index 913aefa..7aa3ee8 100644
--- a/server_files/controllers/poser_questions.php
+++ b/server_files/controllers/poser_questions.php
@@ -13,7 +13,7 @@ $team = $user->getRole() == Role::PARTICIPANT ? $_SESSION["team"] : Team::fromTr
 if ($team == null)
 	require_once "server_files/404.php";
 
-if ($team->getEncadrantId() != $user->getId())
+if ($user->getRole() == Role::ENCADRANT && $team->getEncadrantId() != $user->getId() || $team->getValidationStatus() != ValidationStatus::VALIDATED)
 	require_once "server_files/403.php";
 
 $has_error = false;
diff --git a/server_files/controllers/repondre_questions.php b/server_files/controllers/repondre_questions.php
index dbfbc04..924171b 100644
--- a/server_files/controllers/repondre_questions.php
+++ b/server_files/controllers/repondre_questions.php
@@ -12,7 +12,7 @@ $team = $user->getRole() == Role::PARTICIPANT ? $_SESSION["team"] : Team::fromTr
 if ($team == null)
 	require_once "server_files/404.php";
 
-if ($team->getEncadrantId() != $user->getId() || $team->getValidationStatus() != ValidationStatus::VALIDATED)
+if ($user->getRole() == Role::ENCADRANT && $team->getEncadrantId() != $user->getId() || $team->getValidationStatus() != ValidationStatus::VALIDATED)
 	require_once "server_files/403.php";
 
 $has_error = false;