diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 1ef7862d1b75cc2b773a539617a2ca3256f55ce8..e379fca3c8ad6dc80e2c00b1b7e95683c36571d6 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -1307,7 +1307,7 @@ endmenu
 menu "ARMv8.4 architectural features"
 
 config AS_HAS_ARMV8_4
-	def_bool $(cc-option,-Wa$(comma)-march=armv8.4-a)
+	def_bool $(as-option,-Wa$(comma)-march=armv8.4-a)
 
 config ARM64_TLB_RANGE
 	bool "Enable support for tlbi range feature"