diff --git a/lib/Kconfig b/lib/Kconfig
index 50bcc34..9a5a2b0 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -168,4 +168,7 @@
 config ARCH_HAS_DATA_ABORT_MASK
 	bool
 
+config HAVE_EFFICIENT_UNALIGNED_ACCESS
+	bool
+
 endmenu