diff --git a/arch/um/Kconfig.i386 b/arch/um/Kconfig.i386
index 9876d80d85dd..e0ac74e5d4c4 100644
--- a/arch/um/Kconfig.i386
+++ b/arch/um/Kconfig.i386
@@ -1,6 +1,6 @@
 menu "Host processor type and features"
 
-source "arch/i386/Kconfig.cpu"
+source "arch/x86/Kconfig.cpu"
 
 endmenu
 
diff --git a/arch/um/Makefile-i386 b/arch/um/Makefile-i386
index 08433f85189c..b01dfb00e5f8 100644
--- a/arch/um/Makefile-i386
+++ b/arch/um/Makefile-i386
@@ -28,7 +28,7 @@ CONFIG_X86_32		:= y
 export CONFIG_X86_32
 
 # First of all, tune CFLAGS for the specific CPU. This actually sets cflags-y.
-include $(srctree)/arch/i386/Makefile.cpu
+include $(srctree)/arch/x86/Makefile_32.cpu
 
 # prevent gcc from keeping the stack 16 byte aligned. Taken from i386.
 cflags-y += $(call cc-option,-mpreferred-stack-boundary=2)