diff --git a/src/plugins/ublox/mm-plugin-ublox.c b/src/plugins/ublox/mm-plugin-ublox.c
index 7921b02f..66eda597 100644
--- a/src/plugins/ublox/mm-plugin-ublox.c
+++ b/src/plugins/ublox/mm-plugin-ublox.c
@@ -113,6 +113,9 @@ ready_received (MMPortSerialAt   *port,
     g_source_remove (ctx->timeout_id);
     ctx->timeout_id = 0;
 
+    mm_port_serial_at_add_unsolicited_msg_handler (port, ctx->ready_regex,
+                                                   NULL, NULL, NULL);
+
     mm_obj_dbg (probe, "received READY: port is AT");
 
     /* Flag as an AT port right away */