diff --git a/drivers/remoteproc/xlnx_r5_remoteproc.c b/drivers/remoteproc/xlnx_r5_remoteproc.c
index 5e92dc51f1c0..50a9974f3202 100644
--- a/drivers/remoteproc/xlnx_r5_remoteproc.c
+++ b/drivers/remoteproc/xlnx_r5_remoteproc.c
@@ -1490,6 +1490,8 @@ static void zynqmp_r5_remoteproc_shutdown(struct platform_device *pdev)
 			dev_err(cluster->dev, "failed to %s rproc %d\n",
 				rproc_state_str, rproc->index);
 		}
+
+		zynqmp_r5_free_mbox(r5_core->ipi);
 	}
 }