diff --git a/src/time/clock.c b/src/time/clock.c
index e6e9e776..d32cd092 100644
--- a/src/time/clock.c
+++ b/src/time/clock.c
@@ -1,5 +1,6 @@
 #include <time.h>
 #include <sys/times.h>
+#include "syscall.h"
 
 int __clock_gettime(clockid_t, struct timespec *);