diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index 582c6d8307d1..efbc11f8c336 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -1455,7 +1455,8 @@ asm(	".pushsection .rodata				\n"
 	"fineibt_paranoid_start:			\n"
 	"	mov	$0x12345678, %eax		\n"
 	"	cmpl	-11(%r11), %eax			\n"
-	"	cs lea	-0x10(%r11), %r11		\n"
+	"	.byte	0x2e				\n"
+	"	lea	-0x10(%r11), %r11		\n"
 	"#fineibt_caller_size:                          \n"
 	"	jne	fineibt_paranoid_start+0xd	\n"
 	"fineibt_paranoid_ind:				\n"