diff --git a/src/hashes/sha2/sha256.c b/src/hashes/sha2/sha256.c
index 1cd375012..ff2006807 100644
--- a/src/hashes/sha2/sha256.c
+++ b/src/hashes/sha2/sha256.c
@@ -168,10 +168,8 @@ static int s_sha256_compress(hash_state * md, const unsigned char *buf)
     RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],61,0xa4506ceb);
     RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],62,0xbef9a3f7);
     RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],63,0xc67178f2);
-
-#undef RND
-
 #endif
+#undef RND
 
     /* feedback */
     for (i = 0; i < 8; i++) {
diff --git a/src/headers/tomcrypt_private.h b/src/headers/tomcrypt_private.h
index e5e716584..4c3ea9fd3 100644
--- a/src/headers/tomcrypt_private.h
+++ b/src/headers/tomcrypt_private.h
@@ -90,7 +90,7 @@ int func_name (hash_state * md, const unsigned char *in, unsigned long inlen)
     if (md-> state_var .curlen > sizeof(md-> state_var .buf)) {                             \
        return CRYPT_INVALID_ARG;                                                            \
     }                                                                                       \
-    if ((md-> state_var .length + inlen) < md-> state_var .length) {                        \
+    if ((md-> state_var .length + inlen * 8) < md-> state_var .length) {                        \
       return CRYPT_HASH_OVERFLOW;                                                           \
     }                                                                                       \
     while (inlen > 0) {                                                                     \