diff --git a/drivers/staging/p9auth/Kconfig b/drivers/staging/p9auth/Kconfig
index f53884457447..d1c66d262020 100644
--- a/drivers/staging/p9auth/Kconfig
+++ b/drivers/staging/p9auth/Kconfig
@@ -1,6 +1,7 @@
 config PLAN9AUTH
 	tristate "Plan 9 style capability device implementation"
 	default n
+	depends on CRYPTO
 	help
 	  This module implements the Plan 9 style capability device.