diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index fdd8395..530ed6a 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -28,6 +28,7 @@
 obj-$(CONFIG_X86_64)	+= pci-nommu_64.o bugs_64.o
 obj-y			+= tsc_$(BITS).o io_delay.o rtc.o
 
+obj-$(CONFIG_X86_TRAMPOLINE)	+= trampoline.o
 obj-y				+= i387.o
 obj-y				+= ptrace.o
 obj-y				+= ds.o