diff --git a/include/crypto/hash.h b/include/crypto/hash.h
index 3e89ce16b59ca94c7e453ba490fd463152ce063b..26cb1eb16f4c0df0be234d081a419596fb081167 100644
--- a/include/crypto/hash.h
+++ b/include/crypto/hash.h
@@ -75,7 +75,8 @@ struct shash_alg {
 	unsigned int descsize;
 
 	/* These fields must match hash_alg_common. */
-	unsigned int digestsize;
+	unsigned int digestsize
+		__attribute__ ((aligned(__alignof__(struct hash_alg_common))));
 	unsigned int statesize;
 
 	struct crypto_alg base;