diff --git a/arch/x86_64/Makefile b/arch/x86_64/Makefile
index 29617ae..128561d 100644
--- a/arch/x86_64/Makefile
+++ b/arch/x86_64/Makefile
@@ -76,7 +76,8 @@
 libs-y 					+= arch/x86_64/lib/
 core-y					+= arch/x86_64/kernel/ \
 					   arch/x86_64/mm/ \
-					   arch/x86_64/crypto/
+					   arch/x86_64/crypto/ \
+					   arch/x86_64/vdso/
 core-$(CONFIG_IA32_EMULATION)		+= arch/x86_64/ia32/
 drivers-$(CONFIG_PCI)			+= arch/x86_64/pci/
 drivers-$(CONFIG_OPROFILE)		+= arch/x86_64/oprofile/