diff --git a/src/pty/ptyc_spawn.c b/src/pty/ptyc_spawn.c
index 3327beb..7408b3c 100644
--- a/src/pty/ptyc_spawn.c
+++ b/src/pty/ptyc_spawn.c
@@ -59,12 +59,19 @@ int ptyc_spawn(struct ptyc_driver_ctx * dctx)
 			? dctx->cctx->hroot
 			: self->hroot;
 
-	rtctx.srv_keys[0] = self->srv_keys[0];
-	rtctx.srv_keys[1] = self->srv_keys[1];
-	rtctx.srv_keys[2] = self->srv_keys[2];
-	rtctx.srv_keys[3] = self->srv_keys[3];
-	rtctx.srv_keys[4] = self->srv_keys[4];
-	rtctx.srv_keys[5] = self->srv_keys[5];
+	rtctx.tty_type    = self->tty_type;
+	rtctx.tty_subtype = self->tty_subtype;
+
+	rtctx.tty_keys[0] = self->tty_keys[0];
+	rtctx.tty_keys[1] = self->tty_keys[1];
+	rtctx.tty_keys[2] = self->tty_keys[2];
+	rtctx.tty_keys[3] = self->tty_keys[3];
+	rtctx.tty_keys[4] = self->tty_keys[4];
+	rtctx.tty_keys[5] = self->tty_keys[5];
+
+	ntapi->tt_guid_copy(
+		&rtctx.tty_guid,
+		&self->tty_guid);
 
 	rtctx.hstdin      = NT_INVALID_HANDLE_VALUE;
 	rtctx.hstdout     = NT_INVALID_HANDLE_VALUE;