1 files changed, 1 insertions, 1 deletions

diff --git a/kernel/Makefile b/kernel/Makefile
index 4f5a1453093a..de580b4d54a4 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -7,7 +7,7 @@ obj-y     = sched.o fork.o exec_domain.o panic.o printk.o profile.o \
             sysctl.o capability.o ptrace.o timer.o user.o \
             signal.o sys.o kmod.o workqueue.o pid.o \
             rcupdate.o intermodule.o extable.o params.o posix-timers.o \
-            kthread.o wait.o kfifo.o sys_ni.o posix-cpu-timers.o
+            kthread.o wait.o kfifo.o sys_ni.o posix-cpu-timers.o mutex.o
 
 obj-$(CONFIG_FUTEX) += futex.o
 obj-$(CONFIG_GENERIC_ISA_DMA) += dma.o