diff --git a/cpukit/score/include/rtems/score/timespec.h b/cpukit/score/include/rtems/score/timespec.h
index 060df71f38..d7c543bb3e 100644
--- a/cpukit/score/include/rtems/score/timespec.h
+++ b/cpukit/score/include/rtems/score/timespec.h
@@ -26,12 +26,13 @@
  */
 /**@{*/
 
+#include <stdint.h> /* uint32_t */
+#include <time.h> /* struct timespec */
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-#include <sys/types.h>
-
 /** @brief Set Timespec to Seconds Nanosecond
  *
  *  This method sets the timespec to the specified seconds and nanoseconds