diff --git a/arch/x86/lib/copy_user_nocache_64.S b/arch/x86/lib/copy_user_nocache_64.S
index 4620efb12f132a59cd6a2fdf8758fa5e0e88f596..5196762b3b0ea3017cbb43e97f253c68055a1a7f 100644
--- a/arch/x86/lib/copy_user_nocache_64.S
+++ b/arch/x86/lib/copy_user_nocache_64.S
@@ -117,6 +117,7 @@ ENTRY(__copy_user_nocache)
 	popq %rbx
 	CFI_ADJUST_CFA_OFFSET -8
 	CFI_RESTORE rbx
+	sfence
 	ret
 	CFI_RESTORE_STATE