diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 46c3bff..238f2ea 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -194,6 +194,9 @@ config ARCH_HAS_CACHE_LINE_SIZE
 config ARCH_HAS_CPU_AUTOPROBE
 	def_bool y
 
+config ARCH_USE_BUILTIN_BSWAP
+	def_bool y
+
 config HAVE_SETUP_PER_CPU_AREA
 	def_bool y