diff --git a/src/misc/crypt/crypt_register_all_hashes.c b/src/misc/crypt/crypt_register_all_hashes.c
index ddbc1225..895e7785 100644
--- a/src/misc/crypt/crypt_register_all_hashes.c
+++ b/src/misc/crypt/crypt_register_all_hashes.c
@@ -66,7 +66,7 @@ int register_all_hashes(void)
    REGISTER_HASH(&blake2s_224_desc);
    REGISTER_HASH(&blake2s_256_desc);
 #endif
-#ifdef LTC_BLAKE2S
+#ifdef LTC_BLAKE2B
    REGISTER_HASH(&blake2b_160_desc);
    REGISTER_HASH(&blake2b_256_desc);
    REGISTER_HASH(&blake2b_384_desc);