diff --git a/drivers/misc/qseecom.c b/drivers/misc/qseecom.c
index 85ca463f648c..c7bbadd5a8a2 100644
--- a/drivers/misc/qseecom.c
+++ b/drivers/misc/qseecom.c
@@ -2247,7 +2247,8 @@ static int qseecom_unmap_ion_allocated_memory(struct qseecom_dev_handle *data)
 	if (!IS_ERR_OR_NULL(data->client.ihandle)) {
 		ion_unmap_kernel(qseecom.ion_clnt, data->client.ihandle);
 		ion_free(qseecom.ion_clnt, data->client.ihandle);
-		data->client.ihandle = NULL;
+		memset((void *)&data->client,
+			0, sizeof(struct qseecom_client_handle));
 	}
 	return ret;
 }