diff --git a/arch/Kconfig b/arch/Kconfig
index cba3e8a64fd..e38f33a195e 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -78,6 +78,7 @@ config OPTPROBES
 
 config HAVE_EFFICIENT_UNALIGNED_ACCESS
 	bool
+	def_bool y
 	help
 	  Some architectures are unable to perform unaligned accesses
 	  without the use of get_unaligned/put_unaligned. Others are