diff --git a/Building/Building.c b/Building/Building.c
index eefa27c..b15f4ac 100644
--- a/Building/Building.c
+++ b/Building/Building.c
@@ -135,16 +135,16 @@ void _free__Building(THIS(Building)){
 	free(this);
 }
 
-int get_inside_elevator_Building(THIS(Building), int current_floor, Passenger passenger, PASSENGER_TYPE type){
+int get_inside_elevator_Building(THIS(Building), int current_floor, ElevatorPassenger elevator_passenger){
 	int i;
 	/* Make assumption that a waiting elevator is not full */
 	pthread_mutex_lock(this->mutex_func_get_inside_elevator);
-	printf("Test d'entrée à l'étage %d de %s : id %d\n", current_floor, passenger.visitor->name, passenger.visitor->id);
+	printf("Test d'entrée à l'étage %d de %s : id %d\n", current_floor, elevator_passenger.passenger.visitor->name, elevator_passenger.passenger.visitor->id);
 	for (i=0; i<ELEVATOR_NB; i++){
 		if (this->elevators[i]->can_get_inside(this->elevators[i], current_floor)){
 			/* pour faire taire le compilateur le temps que je revienne sur cette fonction */
-			if (type == VISITOR)
-				this->elevators[i]->add_passenger(this->elevators[i], passenger.visitor->get_id(passenger.visitor));
+			if (elevator_passenger.type == VISITOR)
+				this->elevators[i]->add_passenger(this->elevators[i], elevator_passenger.passenger.visitor->get_id(elevator_passenger.passenger.visitor));
 			/* Il faut faire des trucs ici */
 			pthread_mutex_unlock(this->mutex_func_get_inside_elevator);
 			return i;
@@ -154,27 +154,27 @@ int get_inside_elevator_Building(THIS(Building), int current_floor, Passenger pa
 	return -1;
 }
 
-void go_to_floor_Building(THIS(Building), int origin, int destination, Passenger passenger, PASSENGER_TYPE type){
+void go_to_floor_Building(THIS(Building), int origin, int destination, ElevatorPassenger elevator_passenger){
 	int elevator_number;
 
 	if (origin < 0 || origin >= FLOORS) {CRASH("You are trying to start from a non existing floor\n");}
 	if (destination < 0 || destination >= FLOORS) {CRASH("You are trying to reach a non existing floor\n");}
 
 	pthread_cond_wait(this->condition_floors[origin], this->mutex_cond_get_inside_elevator);
-	elevator_number = this->get_inside_elevator(this, origin, passenger, type);
-	if (type == RESIDENT)
-		printf("Le résident %s rentre dans l'ascenseur %s depuis l'étage %d\n", passenger.resident->name,
+	elevator_number = this->get_inside_elevator(this, origin, elevator_passenger);
+	if (elevator_passenger.type == RESIDENT)
+		printf("Le résident %s rentre dans l'ascenseur %s depuis l'étage %d\n", elevator_passenger.passenger.resident->name,
 			   this->elevators[elevator_number]->name, origin);
-	else if (type == VISITOR)
-		printf("Le visiteur %s rentre dans l'ascenseur %s depuis l'étage %d\n", passenger.visitor->name,
+	else if (elevator_passenger.type == VISITOR)
+		printf("Le visiteur %s rentre dans l'ascenseur %s depuis l'étage %d\n", elevator_passenger.passenger.visitor->name,
 			   this->elevators[elevator_number]->name, origin);
 
 	pthread_cond_wait(this->condition_floors[destination], this->mutex_cond_get_outside_elevator);
-	if (type == RESIDENT)
-		printf("Le résident %s sors de l'ascenseur %s à l'étage %d\n", passenger.resident->name,
+	if (elevator_passenger.type == RESIDENT)
+		printf("Le résident %s sors de l'ascenseur %s à l'étage %d\n", elevator_passenger.passenger.resident->name,
 			   this->elevators[elevator_number]->name, destination);
-	else if (type == VISITOR)
-		printf("Le visiteur %s sors de l'ascenseur %s à l'étage %d\n", passenger.visitor->name,
+	else if (elevator_passenger.type == VISITOR)
+		printf("Le visiteur %s sors de l'ascenseur %s à l'étage %d\n", elevator_passenger.passenger.visitor->name,
 			   this->elevators[elevator_number]->name, destination);
 }
 
diff --git a/Building/Building.h b/Building/Building.h
index d0517ec..3287c0a 100644
--- a/Building/Building.h
+++ b/Building/Building.h
@@ -13,13 +13,7 @@
 #include "../Elevator/Elevator.h"
 #include "../Resident/Resident.h"
 #include "../Visitor/Visitor.h"
-
-typedef enum {RESIDENT, VISITOR} PASSENGER_TYPE;
-
-typedef union u_Passenger {
-	Resident * resident;
-	Visitor * visitor;
-} Passenger;
+#include "../Passenger/Passenger.h"
 
 typedef struct o_Building {
 	PRIVATE int floors;
@@ -33,12 +27,12 @@ typedef struct o_Building {
 
 	PRIVATE void (*parse_residents)(_THIS(Building), char * file);
 	PRIVATE void (*parse_visitors)(_THIS(Building), char * file);
-	PRIVATE int (*get_inside_elevator)(_THIS(Building), int current_floor, Passenger passenger, PASSENGER_TYPE type);
+	PRIVATE int (*get_inside_elevator)(_THIS(Building), int current_floor, ElevatorPassenger elevator_passenger);
 
 	PUBLIC int (*use_call_box)(_THIS(Building), char * resident_name);
 	PUBLIC void (*signal_elevator_at_floor)(_THIS(Building), int floor);
 
-	SYNCHRONIZE PUBLIC void (*go_to_floor)(_THIS(Building), int origin, int destination, Passenger passenger, PASSENGER_TYPE type);
+	SYNCHRONIZE PUBLIC void (*go_to_floor)(_THIS(Building), int origin, int destination, ElevatorPassenger elevator_passenger);
 
 	DESTRUCTOR(Building);
 } Building;
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 70ecd1a..1d5a7c3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,4 +8,4 @@ if(CMAKE_COMPILER_IS_GNUCC)
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pthread")
 endif()
 
-add_executable(LO41 main.c List/List.h List/List.c Objects.h List/Element.c List/Element.h Objects.c Building/Building.c Building/Building.h Elevator/Elevator.c Elevator/Elevator.h SharedData/SharedData.c SharedData/SharedData.h Visitor/Visitor.c Visitor/Visitor.h Resident/Resident.c Resident/Resident.h)
\ No newline at end of file
+add_executable(LO41 main.c List/List.h List/List.c Objects.h List/Element.c List/Element.h Objects.c Building/Building.c Building/Building.h Elevator/Elevator.c Elevator/Elevator.h SharedData/SharedData.c SharedData/SharedData.h Visitor/Visitor.c Visitor/Visitor.h Resident/Resident.c Resident/Resident.h Passenger/Passenger.h)
\ No newline at end of file
diff --git a/Elevator/Elevator.c b/Elevator/Elevator.c
index 9b43cfb..3ff7288 100644
--- a/Elevator/Elevator.c
+++ b/Elevator/Elevator.c
@@ -12,7 +12,7 @@ SYNCHRONIZED_GETTER(Elevator, int, floor)
 SYNCHRONIZED_SETTER(Elevator, int, floor)
 
 void _free__Elevator(THIS(Elevator)){
-	DELETE(this->passenger_ids);
+	DELETE(this->passengers);
 	if (this->name != NULL)
 		free(this->name);
 
@@ -30,10 +30,10 @@ void _free__Elevator(THIS(Elevator)){
 
 void add_passenger_Elevator(THIS(Elevator), int passenger_id){
 	pthread_mutex_lock(&this->mutex_passenger);
-	this->passenger_ids->insert_tail(this->passenger_ids, ((void *)&passenger_id), sizeof(int));
+	this->passengers->insert_tail(this->passengers, ((void *)&passenger_id), sizeof(int));
 	printf("Le passager avec l'id %d est entre dans l'ascenseur %s\nIl y a maintenant %d passagers dans l'ascenseur %s\n",
-		   passenger_id, this->name, this->passenger_ids->get_size(this->passenger_ids), this->name);
-	if (this->passenger_ids->get_size(this->passenger_ids) >= MAX_ELEVATOR_CAPACITY)
+		   passenger_id, this->name, this->passengers->get_size(this->passengers), this->name);
+	if (this->passengers->get_size(this->passengers) >= MAX_ELEVATOR_CAPACITY)
 		this->set_state(this, SLEEPING);
 	pthread_mutex_unlock(&this->mutex_passenger);
 }
@@ -41,7 +41,7 @@ void add_passenger_Elevator(THIS(Elevator), int passenger_id){
 int get_number_of_passengers_Elevator(THIS(Elevator)){
 	int num;
 	pthread_mutex_lock(&this->mutex_passenger);
-	num = this->passenger_ids->get_size(this->passenger_ids);
+	num = this->passengers->get_size(this->passengers);
 	pthread_mutex_unlock(&this->mutex_passenger);
 	return num;
 }
@@ -52,7 +52,7 @@ int can_get_inside_Elevator(THIS(Elevator), int floor){
 	pthread_mutex_lock(&this->mutex_state);
 	pthread_mutex_lock(&this->mutex_floor);
 
-	permission = (this->passenger_ids->get_size(this->passenger_ids) < MAX_ELEVATOR_CAPACITY &&
+	permission = (this->passengers->get_size(this->passengers) < MAX_ELEVATOR_CAPACITY &&
 				  this->state == WAITING && this->floor == floor);
 
 	pthread_mutex_unlock(&this->mutex_floor);
@@ -82,7 +82,7 @@ void *runnable_Elevator(void * void_this){
 Elevator *_init_Elevator(char * name){
 	Elevator * new_elevator = malloc_or_die(sizeof(Elevator));
 	new_elevator->name = strdup(name);
-	new_elevator->passenger_ids = NEW(List);
+	new_elevator->passengers = NEW(List);
 	pthread_mutex_init(&new_elevator->mutex_passenger, NULL);
 	pthread_mutex_init(&new_elevator->mutex_state, NULL);
 	pthread_mutex_init(&new_elevator->mutex_floor, NULL);
diff --git a/Elevator/Elevator.h b/Elevator/Elevator.h
index b64bee2..98b9ccb 100644
--- a/Elevator/Elevator.h
+++ b/Elevator/Elevator.h
@@ -8,6 +8,7 @@
 #include <pthread.h>
 #include "../Objects.h"
 #include "../List/List.h"
+#include "../Passenger/Passenger.h"
 
 //#define MAX_ELEVATOR_CAPACITY 10
 #define MAX_ELEVATOR_CAPACITY 3
@@ -16,7 +17,7 @@ typedef enum {RUNNING, WAITING, SLEEPING, BROKEN} ELEVATOR_STATE;
 
 typedef struct o_Elevator {
 	PRIVATE ELEVATOR_STATE state;
-	PRIVATE List * passenger_ids;
+	PRIVATE List * passengers;
 	PRIVATE char * name;
 	PRIVATE int floor;
 	PRIVATE pthread_mutex_t mutex_passenger;
diff --git a/Passenger/Passenger.h b/Passenger/Passenger.h
new file mode 100644
index 0000000..3c83ed5
--- /dev/null
+++ b/Passenger/Passenger.h
@@ -0,0 +1,23 @@
+//
+// Created by Antoine Bartuccio on 18/06/2018.
+//
+
+#ifndef LO41_PASSENGER_H
+#define LO41_PASSENGER_H
+
+#include "../Resident/Resident.h"
+#include "../Visitor/Visitor.h"
+
+typedef enum {RESIDENT, VISITOR} PASSENGER_TYPE;
+
+typedef union u_Passenger {
+	Resident * resident;
+	Visitor * visitor;
+} Passenger;
+
+typedef struct s_ElevatorPassenger {
+	PASSENGER_TYPE type;
+	Passenger passenger;
+} ElevatorPassenger;
+
+#endif //LO41_PASSENGER_H
diff --git a/Visitor/Visitor.c b/Visitor/Visitor.c
index 971e302..8239d72 100644
--- a/Visitor/Visitor.c
+++ b/Visitor/Visitor.c
@@ -13,14 +13,17 @@ void * runnable_Visitor(void * void_this){
 	Visitor *this = (Visitor*) void_this;
 	SharedData * data = GET_INSTANCE(SharedData);
 	Passenger passenger;
+	ElevatorPassenger elevator_passenger;
 
 	AGENT_OPTIONS
 
 	passenger.visitor = this;
+	elevator_passenger.passenger = passenger;
+	elevator_passenger.type = VISITOR;
 
 	printf("Bonjour, je suis %s et je souhaite rendre visite a %s\n", this->name, this->contact_name);
 	printf("Bip, %s appel a l'interphone\n%s habite a l'etage %d\n", this->name, this->contact_name, (this->destination = data->use_call_box(data, this->contact_name)));
-	data->main_building->go_to_floor(data->main_building, this->position, this->destination, passenger, VISITOR);
+	data->main_building->go_to_floor(data->main_building, this->position, this->destination, elevator_passenger);
 	return NULL;
 }