diff --git a/hw/xwayland/xwayland-xtest.c b/hw/xwayland/xwayland-xtest.c
index 4976a3d7e..47507181c 100644
--- a/hw/xwayland/xwayland-xtest.c
+++ b/hw/xwayland/xwayland-xtest.c
@@ -854,6 +854,10 @@ xwl_handle_ei_event(int fd, int ready, void *data)
                     /* All events dequeued and client has disconnected in the meantime */
                     xwl_ei_stop_emulating(xwl_ei_client);
                 break;
+            case EI_EVENT_KEYBOARD_MODIFIERS:
+                debug_ei("Ignored event %s (%d)\n", ei_event_type_to_string(type), type);
+                /* Don't care */
+                break;
             default:
                 error_ei("Unhandled event %d\n", type);
                 break;