diff --git a/library/ssl_cli.c b/library/ssl_cli.c
index d9af4a1..b02a3a5 100644
--- a/library/ssl_cli.c
+++ b/library/ssl_cli.c
@@ -820,7 +820,6 @@
                                         profile_value ) );
             MBEDTLS_PUT_UINT16_BE( profile_value, p, 0 );
             p += 2;
-
         }
         else
         {
@@ -1415,8 +1414,7 @@
         /* No need to check for space here, because the extension
          * writing functions already took care of that. */
         MBEDTLS_PUT_UINT16_BE( ext_len, p, 0 );
-        p += 2;
-        p += ext_len;
+        p += 2 + ext_len;
     }
 
     ssl->out_msglen  = p - buf;