diff --git a/sdrgui/gui/audioselectdialog.cpp b/sdrgui/gui/audioselectdialog.cpp
index e5a2697fd..f33a5c89c 100644
--- a/sdrgui/gui/audioselectdialog.cpp
+++ b/sdrgui/gui/audioselectdialog.cpp
@@ -19,7 +19,7 @@
 #include "audioselectdialog.h"
 #include "ui_audioselectdialog.h"
 
-AudioSelectDialog::AudioSelectDialog(AudioDeviceManager* audioDeviceManager, const QString& deviceName, bool input, QWidget* parent) :
+AudioSelectDialog::AudioSelectDialog(const AudioDeviceManager* audioDeviceManager, const QString& deviceName, bool input, QWidget* parent) :
     QDialog(parent),
     m_selected(false),
     ui(new Ui::AudioSelectDialog),
diff --git a/sdrgui/gui/audioselectdialog.h b/sdrgui/gui/audioselectdialog.h
index 3d8d37cb1..ebf307fd0 100644
--- a/sdrgui/gui/audioselectdialog.h
+++ b/sdrgui/gui/audioselectdialog.h
@@ -33,7 +33,7 @@ namespace Ui {
 class SDRGUI_API AudioSelectDialog : public QDialog {
     Q_OBJECT
 public:
-    explicit AudioSelectDialog(AudioDeviceManager* audioDeviceManager, const QString& deviceName, bool input = false, QWidget* parent = 0);
+    explicit AudioSelectDialog(const AudioDeviceManager* audioDeviceManager, const QString& deviceName, bool input = false, QWidget* parent = 0);
     ~AudioSelectDialog();
 
     QString m_audioDeviceName;
@@ -42,7 +42,7 @@ public:
 private:
     bool getDeviceInfos(bool input, const QString& deviceName, bool& systemDefault, int& sampleRate);
     Ui::AudioSelectDialog* ui;
-    AudioDeviceManager* m_audioDeviceManager;
+    const AudioDeviceManager* m_audioDeviceManager;
     bool m_input;
 
 private slots: