diff --git a/lib/tftp.c b/lib/tftp.c
index 8b92b7bd6..289cda282 100644
--- a/lib/tftp.c
+++ b/lib/tftp.c
@@ -1009,7 +1009,7 @@ static CURLcode tftp_connect(struct connectdata *conn, bool *done)
   state->sockfd = state->conn->sock[FIRSTSOCKET];
   state->state = TFTP_STATE_START;
   state->error = TFTP_ERR_NONE;
-  state->blksize = TFTP_BLKSIZE_DEFAULT;
+  state->blksize = blksize;
   state->requested_blksize = blksize;
 
   ((struct sockaddr *)&state->local_addr)->sa_family =