diff --git a/crypto/Kconfig b/crypto/Kconfig
index 354bb692c964..ac7cc6226e61 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -200,6 +200,7 @@ config CRYPTO_AUTHENC
 	select CRYPTO_BLKCIPHER
 	select CRYPTO_MANAGER
 	select CRYPTO_HASH
+	select CRYPTO_NULL
 	help
 	  Authenc: Combined mode wrapper for IPsec.
 	  This is required for IPSec.