diff --git a/headers/posix/time.h b/headers/posix/time.h
index ffab73081d..edd2d81b7e 100644
--- a/headers/posix/time.h
+++ b/headers/posix/time.h
@@ -4,6 +4,10 @@
 ** Distributed under the terms of the OpenBeOS License.
 */
 
+
+#include <sys/types.h>
+
+
 typedef long clock_t;
 typedef long time_t;