diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
index 77eda46..b747ab3 100644
--- a/arch/x86/Kconfig.debug
+++ b/arch/x86/Kconfig.debug
@@ -134,7 +134,7 @@
 
 choice
 	prompt "IO delay type"
-	default IO_DELAY_0X80
+	default IO_DELAY_0XED
 
 config IO_DELAY_0X80
 	bool "port 0x80 based port-IO delay [recommended]"