diff --git a/src/misc/crypt/crypt.c b/src/misc/crypt/crypt.c
index 4331406..d3cb1c7 100644
--- a/src/misc/crypt/crypt.c
+++ b/src/misc/crypt/crypt.c
@@ -180,6 +180,9 @@ const char *crypt_build_settings =
 #if defined(LTC_WHIRLPOOL)
    "   WHIRLPOOL\n"
 #endif
+#if defined(LTC_BLAKE2S)
+   "   BLAKE2S\n"
+#endif
 #if defined(LTC_CHC_HASH)
    "   CHC_HASH\n"
 #endif
diff --git a/src/misc/crypt/crypt_sizes.c b/src/misc/crypt/crypt_sizes.c
index ae5b308..82b98a6 100755
--- a/src/misc/crypt/crypt_sizes.c
+++ b/src/misc/crypt/crypt_sizes.c
@@ -71,6 +71,9 @@ static const crypt_size _crypt_sizes[] = {
 #ifdef LTC_TIGER
     _SZ_STRINGIFY_S(tiger_state),
 #endif
+#ifdef LTC_BLAKE2S
+    _SZ_STRINGIFY_S(blake2s_state),
+#endif
 #ifdef LTC_CHC_HASH
     _SZ_STRINGIFY_S(chc_state),
 #endif
diff --git a/testprof/x86_prof.c b/testprof/x86_prof.c
index cff316b..1ba1455 100644
--- a/testprof/x86_prof.c
+++ b/testprof/x86_prof.c
@@ -319,6 +319,12 @@ static void _unregister_all(void)
 #ifdef LTC_WHIRLPOOL
   unregister_hash(&whirlpool_desc);
 #endif
+#ifdef LTC_BLAKE2S
+  unregister_hash(&blake2s_128_desc);
+  unregister_hash(&blake2s_160_desc);
+  unregister_hash(&blake2s_224_desc);
+  unregister_hash(&blake2s_256_desc);
+#endif
 #ifdef LTC_CHC_HASH
   unregister_hash(&chc_desc);
 #endif
@@ -481,6 +487,12 @@ void reg_algs(void)
 #ifdef LTC_WHIRLPOOL
   register_hash (&whirlpool_desc);
 #endif
+#ifdef LTC_BLAKE2S
+  register_hash(&blake2s_128_desc);
+  register_hash(&blake2s_160_desc);
+  register_hash(&blake2s_224_desc);
+  register_hash(&blake2s_256_desc);
+#endif
 #ifdef LTC_CHC_HASH
   register_hash(&chc_desc);
   if ((err = chc_register(register_cipher(&aes_desc))) != CRYPT_OK) {