diff --git a/devices/plutosdr/deviceplutosdrbox.cpp b/devices/plutosdr/deviceplutosdrbox.cpp
index 5b18c6b8f..b19fff4d2 100644
--- a/devices/plutosdr/deviceplutosdrbox.cpp
+++ b/devices/plutosdr/deviceplutosdrbox.cpp
@@ -430,13 +430,33 @@ bool DevicePlutoSDRBox::parseSampleRates(const std::string& rateStr, SampleRates
 
 void DevicePlutoSDRBox::setSampleRate(uint32_t sampleRate)
 {
-    char buff[100];
-    std::vector<std::string> params;
-    snprintf(buff, sizeof(buff), "in_voltage_sampling_frequency=%d", sampleRate);
-    params.push_back(std::string(buff));
-    snprintf(buff, sizeof(buff), "out_voltage_sampling_frequency=%d", sampleRate);
-    params.push_back(std::string(buff));
-    set_params(DEVICE_PHY, params);
+//    char buff[100];
+//    std::vector<std::string> params;
+//    snprintf(buff, sizeof(buff), "in_voltage_sampling_frequency=%d", sampleRate);
+//    params.push_back(std::string(buff));
+//    snprintf(buff, sizeof(buff), "out_voltage_sampling_frequency=%d", sampleRate);
+//    params.push_back(std::string(buff));
+//    set_params(DEVICE_PHY, params);
+
+    int ret = iio_channel_attr_write_longlong(m_chnRx0, "sampling_frequency", sampleRate);
+
+    if (ret < 0) {
+        qWarning("DevicePlutoSDRBox::setSampleRate: cannot set Rx sample rate to %u: %d", sampleRate, ret);
+    } else {
+        qDebug("DevicePlutoSDRBox::setSampleRate: Rx sample rate set to %u: %d", sampleRate, ret);
+    }
+
+    if (m_chnTx0) // Tx is opened at the same time
+    {
+        ret = iio_channel_attr_write_longlong(m_chnTx0, "sampling_frequency", sampleRate);
+
+        if (ret < 0) {
+            qWarning("DevicePlutoSDRBox::setSampleRate: cannot set Tx sample rate to %u: %d", sampleRate, ret);
+        } else {
+            qDebug("DevicePlutoSDRBox::setSampleRate: Tx sample rate set to %u: %d", sampleRate, ret);
+        }
+    }
+
     m_devSampleRate = sampleRate;
 }