diff --git a/src/uk/co/majenko/audiobookrecorder/AudiobookRecorder.java b/src/uk/co/majenko/audiobookrecorder/AudiobookRecorder.java
index e26b5cf..8114f66 100644
--- a/src/uk/co/majenko/audiobookrecorder/AudiobookRecorder.java
+++ b/src/uk/co/majenko/audiobookrecorder/AudiobookRecorder.java
@@ -178,11 +178,6 @@ public class AudiobookRecorder extends JFrame {
 
         setPreferredSize(new Dimension(700, 500));
         setLocationRelativeTo(null);
-
-        pack();
-
-        setVisible(true);
-
     }
 
     public AudiobookRecorder() {
@@ -512,6 +507,9 @@ public class AudiobookRecorder extends JFrame {
         centralPanel.add(mainScroll, BorderLayout.CENTER);
 
         setTitle("AudioBook Recorder");
+
+        pack();
+        setVisible(true);
     }
 
     public static void main(String args[]) {
diff --git a/src/uk/co/majenko/audiobookrecorder/Options.java b/src/uk/co/majenko/audiobookrecorder/Options.java
index 63d50c1..5d79c61 100644
--- a/src/uk/co/majenko/audiobookrecorder/Options.java
+++ b/src/uk/co/majenko/audiobookrecorder/Options.java
@@ -344,10 +344,18 @@ public class Options extends JDialog {
         KVPair[] recordingMixers = getRecordingMixerList();
         KVPair[] playbackMixers = getPlaybackMixerList();
 
-        defaultPrefs.put("audio.recording.device", recordingMixers[0].key);
+        if (recordingMixers.length > 0) {
+            defaultPrefs.put("audio.recording.device", recordingMixers[0].key);
+        } else {
+            defaultPrefs.put("audio.recording.device", "");
+        }
         defaultPrefs.put("audio.recording.channels", "2");
         defaultPrefs.put("audio.recording.samplerate", "48000");
-        defaultPrefs.put("audio.playback.device", playbackMixers[0].key);
+        if (playbackMixers.length > 0) {
+            defaultPrefs.put("audio.playback.device", playbackMixers[0].key);
+        } else {
+            defaultPrefs.put("audio.playback.device", "");
+        }
 
         defaultPrefs.put("catenation.pre-chapter", "2000");
         defaultPrefs.put("catenation.post-chapter", "2000");