diff --git a/timer.c b/timer.c
index d5c1c99..f185e81 100644
--- a/timer.c
+++ b/timer.c
@@ -2,11 +2,12 @@
 #include <graph.h>
 #include <stdio.h>
 
-void timer(unsigned long* temps_ecoule, unsigned long temps_microsec){
+unsigned long timer(unsigned long temps_ecoule, unsigned long temps_microsec){
 	unsigned long temps_actuel = Microsecondes();
 	if (temps_actuel > temps_microsec + 1000000){
 		temps_microsec = temps_actuel;
-		*temps_ecoule++;
-		printf("%d",*temps_ecoule);
+		temps_ecoule += 1;
+		printf("%d",temps_ecoule);
 	}
+	return temps_ecoule;
 }
diff --git a/timer.h b/timer.h
index 73c1c2b..64a6467 100644
--- a/timer.h
+++ b/timer.h
@@ -3,6 +3,6 @@
 #define TIMER_H
 
 
-void timer(unsigned long* temps_ecoule, unsigned long temps_microsec);
+unsigned long timer(unsigned long temps_ecoule, unsigned long temps_microsec);
 
 #endif /* TIMER_H */