diff --git a/module00/ex04/main.c b/module00/ex04/main.c
index fbc27fd..3a743fb 100644
--- a/module00/ex04/main.c
+++ b/module00/ex04/main.c
@@ -44,12 +44,14 @@ void decrement_int(IncrementParams *params) {
     *value = (*value <= min) ? min : --(*value);
 }
 
-void increment_led(IncrementParams *params) {
+void increment_led(void *param) {
+	IncrementParams *params = (IncrementParams *)param;
 	increment_int(params);
 	print_binary(*(params->value));
 }
 
-void decrement_led(IncrementParams *params) {
+void decrement_led(void *param) {
+	IncrementParams *params = (IncrementParams *)param;
 	decrement_int(params);
 	print_binary(*(params->value));
 }