diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 2c7ea04a..789a3a6d 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -58,6 +58,10 @@ config MMU
 config NO_IOPORT
 	def_bool y
 
+config ILLEGAL_POINTER_VALUE
+	hex
+	default 0xdead000000000000
+
 config STACKTRACE_SUPPORT
 	def_bool y