diff --git a/Makefile b/Makefile
index 885b2d8..97d6ad4 100644
--- a/Makefile
+++ b/Makefile
@@ -694,7 +694,7 @@
 endif
 
 ifdef CONFIG_CFI_CLANG
-cfi-clang-flags	+= -fsanitize=cfi
+cfi-clang-flags	+= -fsanitize=cfi $(call cc-option, -fsplit-lto-unit)
 DISABLE_CFI_CLANG := -fno-sanitize=cfi
 ifdef CONFIG_MODULES
 cfi-clang-flags	+= -fsanitize-cfi-cross-dso