diff --git a/fact.c b/fact.c
index 66ac8fba9c253aa2ca78facdae4f54f1137ffcc9..d48562f2cd473f6b0e6ccd444ab242c12e6a6c72 100644
--- a/fact.c
+++ b/fact.c
@@ -8,7 +8,7 @@
 #include <string.h>
 #include <math.h>
 #include <stdbool.h>
-//#include <time.h>
+#include <time.h>
 #include <pthread.h>
 
 /* STRUCTURES AND VARIABLES */