diff --git a/build/database/repo/history.php b/build/database/repo/history.php
index 8bf3fb1..55e914b 100755
--- a/build/database/repo/history.php
+++ b/build/database/repo/history.php
@@ -235,34 +235,60 @@
 			/* [1] Recherche dans les relations 'machines'
 			=========================================================*/
 			/* (1) On exécute la requête */
-			$machines_r = new Repo('machine/search', [$id_warehouse, $keyword]);
+			$machines_rq = new Repo('machine/search', [$id_warehouse, $keyword]);
+
+			$machines_rs = $machines_rq->answer();
 
 			/* (2) Gestion succès */
-			if( $machines_r->error->get() == Err::Success )
-				foreach($machines_r->answer() as $row)
+			if( is_array($machines_rs) )
+				foreach($machines_rs as $row)
 					$machine_ids[] = $row['id_machine'];
 
 			/* [2] Recherche dans les relations 'users'
 			=========================================================*/
 			/* (1) On cherche dans les utilisateurs */
-			$users_r = new Repo('user/search', [$id_warehouse, $keyword]);
+			$users_rq = new Repo('user/search', [$id_warehouse, $keyword]);
+
+			$users_rs = $users_rq->answer();
 
 			/* (2) Gestion succès */
-			if( $users_r->error->get() == Err::Success )
-				foreach($users_r->answer() as $row)
+			if( is_array($users_rs) )
+				foreach($users_rs as $row)
 					$user_ids[] = $row['id_user'];
 
 
 			/* [3] On rédige/execute la requête
 			=========================================================*/
-			$history_r = DatabaseDriver::getPDO()->prepare("SELECT id_history FROM history
-				WHERE id_user    IN (SELECT id_user    FROM user    WHERE username LIKE '%$keyword%')
-				or    id_machine IN (SELECT id_machine FROM machine WHERE name     LIKE '%$keyword%')
-				ORDER BY timestamp DESC;");
+			/* (1) Recherche par utilisateur */
+			$history_r_user = Table::get('history')
+				->select('id_history')
+				->whereIdUser([ $user_ids, Rows::COND_IN ]);
 
-			$history_r->execute();
+			/* (2) Recherche par utilisateur */
+			$history_r_machine = Table::get('history')
+				->select('id_history')
+				->whereIdMachine([ $machine_ids, Rows::COND_IN ]);
 
-			return DatabaseDriver::delNumeric( $history_r->fetchAll() );
+			/* (3) On enregistre les entrées par utilisateur */
+			$already_id = [];
+			$ids = $history_r_user->fetch();
+
+			foreach($ids as $user_result)
+				$already_id[ $user_result['id_history'] ] = null;
+
+			/* (4) On ajoute les entrées par machines (si pas déja) */
+			foreach($history_r_machine->fetch() as $machine_result)
+
+				if( !isset($already_id[$machine_result['id_history']]) ){
+
+					$ids[] = $machine_result;
+					$already_id[ $machine_result['id_history'] ] = null;
+
+				}
+
+
+			/* (5) On retourne le total */
+			return $ids;
 		}
 
 
diff --git a/build/database/repo/machine.php b/build/database/repo/machine.php
index 028834f..8cbcf21 100755
--- a/build/database/repo/machine.php
+++ b/build/database/repo/machine.php
@@ -65,6 +65,10 @@
 		*
 		*/
 		public static function search($id_warehouse, $keyword){
+
+			// make keyword lowercase
+			$keyword = strtolower($keyword);
+
 			// On recupere les donnees
 			$search = Table::get('machine')
 				->whereIdWarehouse($id_warehouse)
diff --git a/build/database/repo/user.php b/build/database/repo/user.php
index c0f22a2..16a41ba 100755
--- a/build/database/repo/user.php
+++ b/build/database/repo/user.php
@@ -66,14 +66,18 @@
 		*
 		*/
 		public static function search($id_warehouse, $keyword){
+
+			// make keyword lowercase
+			$keyword = strtolower($keyword);
+
 			// On recupere les donnees
 			$searchusers = DatabaseDriver::getPDO()->prepare("SELECT * FROM user
 				WHERE id_warehouse = :id_warehouse
-				AND   ( code      LIKE '%".$keyword."%'
-					OR  username  LIKE '%".$keyword."%'
-					OR  firstname LIKE '%".$keyword."%'
-					OR  lastname  LIKE '%".$keyword."%'
-					OR  mail      LIKE '%".$keyword."%'
+				AND   ( LOWER(code)      LIKE '%".$keyword."%'
+					OR  LOWER(username)  LIKE '%".$keyword."%'
+					OR  LOWER(firstname) LIKE '%".$keyword."%'
+					OR  LOWER(lastname)  LIKE '%".$keyword."%'
+					OR  LOWER(mail)      LIKE '%".$keyword."%'
 				)
 			");