diff --git a/net/sctp/Kconfig b/net/sctp/Kconfig
index 8210f54..5390bc7 100644
--- a/net/sctp/Kconfig
+++ b/net/sctp/Kconfig
@@ -6,9 +6,9 @@
 	tristate "The SCTP Protocol (EXPERIMENTAL)"
 	depends on INET && EXPERIMENTAL
 	depends on IPV6 || IPV6=n
-	select CRYPTO if SCTP_HMAC_SHA1 || SCTP_HMAC_MD5
-	select CRYPTO_HMAC if SCTP_HMAC_SHA1 || SCTP_HMAC_MD5
-	select CRYPTO_SHA1 if SCTP_HMAC_SHA1
+	select CRYPTO
+	select CRYPTO_HMAC
+	select CRYPTO_SHA1
 	select CRYPTO_MD5 if SCTP_HMAC_MD5
 	---help---
 	  Stream Control Transmission Protocol
diff --git a/net/sctp/auth.c b/net/sctp/auth.c
index 6d89e35..97e6ebd 100644
--- a/net/sctp/auth.c
+++ b/net/sctp/auth.c
@@ -54,11 +54,13 @@
 		/* id 2 is reserved as well */
 		.hmac_id = SCTP_AUTH_HMAC_ID_RESERVED_2,
 	},
+#if defined (CONFIG_CRYPTO_SHA256) || defined (CONFIG_CRYPTO_SHA256_MODULE)
 	{
 		.hmac_id = SCTP_AUTH_HMAC_ID_SHA256,
 		.hmac_name="hmac(sha256)",
 		.hmac_len = SCTP_SHA256_SIG_SIZE,
 	}
+#endif
 };