diff --git a/KeyboardVisualizerCommon/Visualizer.cpp b/KeyboardVisualizerCommon/Visualizer.cpp
index 4f8a15a..1e3462f 100644
--- a/KeyboardVisualizerCommon/Visualizer.cpp
+++ b/KeyboardVisualizerCommon/Visualizer.cpp
@@ -211,6 +211,7 @@ void Visualizer::ChangeAudioDevice()
     if(device != NULL)
     {
         alcCaptureStop(device);
+        alcCaptureCloseDevice(device);
     }
 
     if(audio_device_idx < audio_devices.size())