diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index 3d23ccd..c414c45 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -10,7 +10,7 @@
 
 obj-y			:= process_$(BITS).o signal_$(BITS).o entry_$(BITS).o
 obj-y			+= traps_$(BITS).o irq_$(BITS).o
-obj-y			+= time_$(BITS).o ioport_$(BITS).o ldt.o
+obj-y			+= time_$(BITS).o ioport.o ldt.o
 obj-y			+= setup_$(BITS).o i8259_$(BITS).o
 obj-$(CONFIG_X86_32)	+= sys_i386_32.o i386_ksyms_32.o
 obj-$(CONFIG_X86_64)	+= sys_x86_64.o x8664_ksyms_64.o