diff --git a/arch/Kconfig b/arch/Kconfig
index d244bee629..3efa5849d7 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -133,6 +133,7 @@ config ARCH_X86_64
 	select ARCH_HAVE_FPU
 	select ARCH_HAVE_DPFPU
 	select ARCH_HAVE_TESTSET
+	select ARCH_HAVE_CUSTOMOPT
 	select LIBC_ARCH_ELF_64BIT if LIBC_ARCH_ELF
 	---help---
 		x86-64 architectures.