diff --git a/common.h b/common.h
index c367e38cb..c7660a7dd 100644
--- a/common.h
+++ b/common.h
@@ -114,6 +114,7 @@ extern "C" {
 #include <sys/shm.h>
 #endif
 #include <sys/time.h>
+#include <time.h>
 #include <unistd.h>
 #include <math.h>
 #ifdef SMP