diff --git a/src/prefs/GUIPrefs.h b/src/prefs/GUIPrefs.h
index 926710064..d4fa23b8f 100644
--- a/src/prefs/GUIPrefs.h
+++ b/src/prefs/GUIPrefs.h
@@ -70,6 +70,7 @@ class AUDACITY_DLL_API GUIPrefs final : public PrefsPanel
 
 AUDACITY_DLL_API
 int ShowClippingPrefsID();
+AUDACITY_DLL_API
 int ShowTrackNameInWaveformPrefsID();
 
 extern AUDACITY_DLL_API ChoiceSetting
diff --git a/src/prefs/QualitySettings.h b/src/prefs/QualitySettings.h
index d2bf62e92..394090fe3 100644
--- a/src/prefs/QualitySettings.h
+++ b/src/prefs/QualitySettings.h
@@ -16,9 +16,9 @@
 class IntSetting;
 
 namespace QualitySettings {
-extern IntSetting DefaultSampleRate;
-extern EnumSetting< sampleFormat > SampleFormatSetting;
-extern sampleFormat SampleFormatChoice();
+extern AUDACITY_DLL_API IntSetting DefaultSampleRate;
+extern AUDACITY_DLL_API EnumSetting< sampleFormat > SampleFormatSetting;
+extern AUDACITY_DLL_API sampleFormat SampleFormatChoice();
 }
 
 #endif