diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index af936fd..44fcff1 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -41,6 +41,7 @@
 #include <linux/init.h>
 #include <linux/compiler.h>
 #include <linux/idr.h>
+#include <linux/posix-clock.h>
 #include <linux/posix-timers.h>
 #include <linux/syscalls.h>
 #include <linux/wait.h>
@@ -489,7 +490,8 @@
 static struct k_clock *clockid_to_kclock(const clockid_t id)
 {
 	if (id < 0)
-		return (id & CLOCKFD_MASK) == CLOCKFD ? NULL : &clock_posix_cpu;
+		return (id & CLOCKFD_MASK) == CLOCKFD ?
+			&clock_posix_dynamic : &clock_posix_cpu;
 
 	if (id >= MAX_CLOCKS || !posix_clocks[id].clock_getres)
 		return NULL;