diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index 19cc357..9208ec9 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -2709,7 +2709,7 @@
  */
 int mbedtls_ssl_write_record( mbedtls_ssl_context *ssl )
 {
-    int ret, done = 0;
+    int ret, done = 0, out_msg_type;
     size_t len = ssl->out_msglen;
 
     MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> write record" ) );
@@ -2725,7 +2725,9 @@
 #endif
     if( ssl->out_msgtype == MBEDTLS_SSL_MSG_HANDSHAKE )
     {
-        if( ssl->out_msg[0] != MBEDTLS_SSL_HS_HELLO_REQUEST &&
+        out_msg_type = ssl->out_msg[0];
+
+        if( out_msg_type != MBEDTLS_SSL_HS_HELLO_REQUEST &&
             ssl->handshake == NULL )
         {
             MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
@@ -2752,7 +2754,7 @@
             len += 8;
 
             /* Write message_seq and update it, except for HelloRequest */
-            if( ssl->out_msg[0] != MBEDTLS_SSL_HS_HELLO_REQUEST )
+            if( out_msg_type != MBEDTLS_SSL_HS_HELLO_REQUEST )
             {
                 ssl->out_msg[4] = ( ssl->handshake->out_msg_seq >> 8 ) & 0xFF;
                 ssl->out_msg[5] = ( ssl->handshake->out_msg_seq      ) & 0xFF;
@@ -2770,7 +2772,7 @@
         }
 #endif /* MBEDTLS_SSL_PROTO_DTLS */
 
-        if( ssl->out_msg[0] != MBEDTLS_SSL_HS_HELLO_REQUEST )
+        if( out_msg_type != MBEDTLS_SSL_HS_HELLO_REQUEST )
             ssl->handshake->update_checksum( ssl, ssl->out_msg, len );
     }