diff --git a/c-programming/experiments/clock-malfunction-imitation.c b/c-programming/experiments/clock-malfunction-imitation.c
index 1e9822b..9d17be1 100644
--- a/c-programming/experiments/clock-malfunction-imitation.c
+++ b/c-programming/experiments/clock-malfunction-imitation.c
@@ -167,6 +167,8 @@ void time_flow_test(time_t (*time_function)(time_t*)) {
 }
 
 int main(void) {
+	srand(time(NULL));
+
 	TEST_LABEL("clock_change_time");
 	                                        time_flow_test(&clock_change_time);