diff --git a/src/channel.c b/src/channel.c
index 2698777..f4a7cd2 100644
--- a/src/channel.c
+++ b/src/channel.c
@@ -1919,8 +1919,8 @@ _libssh2_channel_write(LIBSSH2_CHANNEL *channel, int stream_id,
      * assume the app will call it again with the rest! The 32K is a
      * conservative limit based on the text in RFC4253 section 6.1.
      */
-    if(buflen > 32768)
-        buflen = 32768;
+    if(buflen > 32700)
+        buflen = 32700;
 
     if (channel->write_state == libssh2_NB_state_idle) {
         channel->write_bufwrote = 0;