diff --git a/main.c b/main.c
index 0533db1..effc228 100644
--- a/main.c
+++ b/main.c
@@ -4,6 +4,7 @@
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <time.h>
 
 #include "helper.c"
 
@@ -120,6 +121,7 @@ int main() {
 
     uint64_t p = 0;
     uint64_t q = 0;
+    srand(time(NULL));
     uint64_t base = 2;
     pthread_t thread_p, thread_q;