diff --git a/arch/um/Makefile b/arch/um/Makefile
index 4c993c89d0f02284bbc66e279a30ad865557b52b..55c0661e2b5dbcba77a097522e43f109922bb577 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -28,6 +28,7 @@ ifeq ($(SUBARCH),i386)
 endif
 ifeq ($(SUBARCH),x86_64)
         HEADER_ARCH := x86
+	KBUILD_CFLAGS += -mcmodel=large
 endif
 
 HOST_DIR := arch/$(HEADER_ARCH)