diff --git a/cpukit/ChangeLog b/cpukit/ChangeLog
index 6c1e197001..0025f32476 100644
--- a/cpukit/ChangeLog
+++ b/cpukit/ChangeLog
@@ -1,3 +1,7 @@
+2007-12-20	Joel Sherrill <joel.sherrill@OARcorp.com>
+
+	* posix/include/rtems/posix/timer.h: Include rtems/score/object.h.
+
 2007-12-20	Joel Sherrill <joel.sherrill@oarcorp.com>
 
 	* rtems/Makefile.am, rtems/include/rtems/rtems/tasks.h: Add
diff --git a/cpukit/posix/include/rtems/posix/timer.h b/cpukit/posix/include/rtems/posix/timer.h
index d4002cb03b..e03a835ad1 100644
--- a/cpukit/posix/include/rtems/posix/timer.h
+++ b/cpukit/posix/include/rtems/posix/timer.h
@@ -17,6 +17,7 @@
 #define _RTEMS_POSIX_TIMER_H
 
 #include <rtems/posix/config.h>
+#include <rtems/score/object.h>
 
 /* Timer is free */
 #define POSIX_TIMER_STATE_FREE        0x01