diff --git a/src/hardware/rigol-ds/api.c b/src/hardware/rigol-ds/api.c
index 6334cd74..8bf35b6b 100644
--- a/src/hardware/rigol-ds/api.c
+++ b/src/hardware/rigol-ds/api.c
@@ -415,7 +415,7 @@ static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
        devc->buffer = g_malloc(ACQ_BUFFER_SIZE);
        devc->data = g_malloc(ACQ_BUFFER_SIZE * sizeof(float));
 
-       devc->data_source = DATA_SOURCE_LIVE;
+       devc->data_source = DATA_SOURCE_MEMORY;
 
        sdi->priv = devc;
 
@@ -552,12 +552,12 @@ static int config_get(uint32_t key, GVariant **data,
                        *data = g_variant_new_string("Segmented");
                break;
        case SR_CONF_SAMPLERATE:
-               if (devc->data_source == DATA_SOURCE_LIVE) {
+               if (devc->data_source == DATA_SOURCE_LIVE || devc->data_source == DATA_SOURCE_MEMORY) {
                        samplerate = analog_frame_size(sdi) /
                                (devc->timebase * devc->model->series->num_horizontal_divs);
                        *data = g_variant_new_uint64(samplerate);
                } else {
-                       sr_dbg("Unknown data source: %d.", devc->data_source);
+                       sr_dbg("Unknown sample rate for data source: %d.", devc->data_source);
                        return SR_ERR_NA;
                }
                break;