diff --git a/plugins/samplesource/limesdrinput/limesdrinputgui.cpp b/plugins/samplesource/limesdrinput/limesdrinputgui.cpp
index d02e8d86b..da3cc50cc 100644
--- a/plugins/samplesource/limesdrinput/limesdrinputgui.cpp
+++ b/plugins/samplesource/limesdrinput/limesdrinputgui.cpp
@@ -330,7 +330,7 @@ void LimeSDRInputGUI::on_swDecim_currentIndexChanged(int index)
     sendSettings();
 }
 
-void LimeSDRInputGUI::on_lpf_changed(int value)
+void LimeSDRInputGUI::on_lpf_changed(quint64 value)
 {
     m_settings.m_lpfBW = value * 1000;
     sendSettings();
@@ -351,5 +351,6 @@ void LimeSDRInputGUI::on_lpFIR_changed(quint64 value)
 void LimeSDRInputGUI::on_gain_valueChanged(int value)
 {
     m_settings.m_gain = value;
+    ui->gainText->setText(tr("%1dB").arg(m_settings.m_gain));
     sendSettings();
 }
diff --git a/plugins/samplesource/limesdrinput/limesdrinputgui.h b/plugins/samplesource/limesdrinput/limesdrinputgui.h
index c4990f0b5..d8848bc88 100644
--- a/plugins/samplesource/limesdrinput/limesdrinputgui.h
+++ b/plugins/samplesource/limesdrinput/limesdrinputgui.h
@@ -78,7 +78,7 @@ private slots:
     void on_sampleRate_changed(quint64 value);
     void on_hwDecim_currentIndexChanged(int index);
     void on_swDecim_currentIndexChanged(int index);
-    void on_lpf_changed(int value);
+    void on_lpf_changed(quint64 value);
     void on_lpFIREnable_toggled(bool checked);
     void on_lpFIR_changed(quint64 value);
     void on_gain_valueChanged(int value);
diff --git a/plugins/samplesource/limesdrinput/limesdrinputgui.ui b/plugins/samplesource/limesdrinput/limesdrinputgui.ui
index b2ae7b18f..9655e14d4 100644
--- a/plugins/samplesource/limesdrinput/limesdrinputgui.ui
+++ b/plugins/samplesource/limesdrinput/limesdrinputgui.ui
@@ -478,7 +478,7 @@
      <item>
       <widget class="QLabel" name="lpfUnits">
        <property name="text">
-        <string>k</string>
+        <string>kHz</string>
        </property>
       </widget>
      </item>
@@ -533,7 +533,7 @@
      <item>
       <widget class="QLabel" name="lpFIRUnits">
        <property name="text">
-        <string>k</string>
+        <string>kHz</string>
        </property>
       </widget>
      </item>