diff --git a/module01/ex00/main.c b/module01/ex00/main.c
index 8fa7bad..4f9eb46 100644
--- a/module01/ex00/main.c
+++ b/module01/ex00/main.c
@@ -35,7 +35,7 @@
 #define SW2 4
 
 #define PRESCALE_VALUE				1024
-#define TIME(ms)					(((F_CPU / PRESCALE_VALUE) * ms) / 1000)
+#define TIME_MS(ms)					(((F_CPU / PRESCALE_VALUE) * ms) / 1000)
 
 int main() {
 	MODE_OUTPUT(B, D2);
@@ -44,7 +44,7 @@ int main() {
 	TCCR1B |= ((1 << CS10 ) | (1 << CS12 ) ); // set timer with prescale
 
 	while(1) {
-		if ( TCNT1 >= TIME(500)) {
+		if ( TCNT1 >= TIME_MS(500)) {
 			TOGGLE_LED(D2);
 			TCNT1 = 0; // reset timer value
 		}