diff --git a/lib/Kconfig b/lib/Kconfig
index 98230ac..64ddc44 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -19,6 +19,9 @@
 config GENERIC_STRNCPY_FROM_USER
 	bool
 
+config GENERIC_STRNLEN_USER
+	bool
+
 config GENERIC_FIND_FIRST_BIT
 	bool