diff --git a/hw/kdrive/ephyr/hostx.c b/hw/kdrive/ephyr/hostx.c
index a8a244878..d98557147 100644
--- a/hw/kdrive/ephyr/hostx.c
+++ b/hw/kdrive/ephyr/hostx.c
@@ -174,6 +174,7 @@ hostx_set_win_title(KdScreenInfo *screen, const char *extra_text)
                               8,
                               strlen(buf),
                               buf);
+        xcb_flush(HostX.conn);
     }
 }