diff --git a/Makefile b/Makefile
index 4ad67b737af7..570f0c68aadd 100644
--- a/Makefile
+++ b/Makefile
@@ -1199,7 +1199,10 @@ export CFLAGS_GCOV
 
 # change __FILE__ to the relative path to the source directory
 ifdef building_out_of_srctree
-KBUILD_CPPFLAGS += -fmacro-prefix-map=$(srcroot)/=
+CFLAGS_PREFIX_MAP := -fmacro-prefix-map=$(srcroot)/=
+KBUILD_CPPFLAGS += $(CFLAGS_PREFIX_MAP)
+KBUILD_USERCFLAGS += $(CFLAGS_PREFIX_MAP)
+KBUILD_HOSTCFLAGS += $(CFLAGS_PREFIX_MAP)
 ifeq ($(call rustc-option-yn, --remap-path-scope=macro),y)
 KBUILD_RUSTFLAGS += --remap-path-prefix=$(srcroot)/= --remap-path-scope=macro
 endif