diff --git a/src/wolfio.c b/src/wolfio.c
index 1dec585c0..1f43e73da 100644
--- a/src/wolfio.c
+++ b/src/wolfio.c
@@ -526,7 +526,7 @@ int EmbedSendTo(WOLFSSL* ssl, char *buf, int sz, void *ctx)
         /* Probably a TCP socket. peer and peerSz MUST be NULL and 0 */
     }
     else if (!dtlsCtx->connected) {
-        peer = dtlsCtx->peer.sa;
+        peer   = (const SOCKADDR_S*)dtlsCtx->peer.sa;
         peerSz = dtlsCtx->peer.sz;
     }