diff --git a/src/internal.c b/src/internal.c
index a2e856542..63b009013 100644
--- a/src/internal.c
+++ b/src/internal.c
@@ -9373,7 +9373,7 @@ int CheckForAltNames(DecodedCert* dCert, const char* domain, int* checkCN)
                 XMEMSET(tmp, 0, sizeof(tmp));
                 XSNPRINTF(tmp, sizeof(tmp), (altName->len <= 4) ? "%u" : "%02X",
                         altName->name[i]);
-                idx += XSTRLEN(tmp);
+                idx += (word32)XSTRLEN(tmp);
                 XSTRNCAT(name, tmp, (altName->len <= 4) ? 3 : 2);
                 if ((idx < WOLFSSL_MAX_IPSTR ) && ((i + 1) < altName->len)) {
                     name[idx++] = (altName->len <= 4) ? '.' : ':';
diff --git a/src/ssl.c b/src/ssl.c
index b1c0a9871..f7e913f04 100644
--- a/src/ssl.c
+++ b/src/ssl.c
@@ -41207,12 +41207,12 @@ int wolfSSL_BIO_new_bio_pair(WOLFSSL_BIO **bio1_p, size_t writebuf1,
         }
     }
     if (ret && writebuf1) {
-        if (!(ret = wolfSSL_BIO_set_write_buf_size(bio1, writebuf1))) {
+        if (!(ret = wolfSSL_BIO_set_write_buf_size(bio1, (long)writebuf1))) {
             WOLFSSL_MSG("wolfSSL_BIO_set_write_buf() failure");
         }
     }
     if (ret && writebuf2) {
-        if (!(ret = wolfSSL_BIO_set_write_buf_size(bio2, writebuf2))) {
+        if (!(ret = wolfSSL_BIO_set_write_buf_size(bio2, (long)writebuf2))) {
             WOLFSSL_MSG("wolfSSL_BIO_set_write_buf() failure");
         }
     }