diff --git a/Makefile b/Makefile
index 3cc1aaed96441cc95f438572507b9684c7b16650..47377bdc26569d16c6e148c4901952693a11f3a2 100644
--- a/Makefile
+++ b/Makefile
@@ -672,6 +672,7 @@ endif
 
 ifdef CONFIG_CC_IS_GCC
 RETPOLINE_CFLAGS	:= $(call cc-option,-mindirect-branch=thunk-extern -mindirect-branch-register)
+RETPOLINE_CFLAGS	+= $(call cc-option,-mindirect-branch-cs-prefix)
 RETPOLINE_VDSO_CFLAGS	:= $(call cc-option,-mindirect-branch=thunk-inline -mindirect-branch-register)
 endif
 ifdef CONFIG_CC_IS_CLANG