diff --git a/arch/hc/src/m9s12/Kconfig b/arch/hc/src/m9s12/Kconfig
index 80142efeaf0..37c357c79d7 100644
--- a/arch/hc/src/m9s12/Kconfig
+++ b/arch/hc/src/m9s12/Kconfig
@@ -44,7 +44,8 @@ endmenu # HSC12 Build Options
 config HCS12_GPIOIRQ
 	bool "GPIO interrupt support"
 	default n
+	depends on EXPERIMENTAL
 	---help---
-		Enable support for GPIO interrupts
+		Enable support for GPIO interrupts (not implemented)
 
 endif # ARCH_HSC12