diff --git a/include/peak_controller.h b/include/peak_controller.h
index e939c6ec9..768c9ec0d 100644
--- a/include/peak_controller.h
+++ b/include/peak_controller.h
@@ -1,5 +1,5 @@
 /*
- * lfo_controller.h - A LFO-based controller and dialog
+ * peak_controller.h - peak-controller class
  *
  * Copyright (c) 2008 Paul Giblock <drfaygo/at/gmail.com>
  * 
@@ -38,7 +38,7 @@ class peakControllerEffect;
 
 
 
-class peakController : public controller
+class EXPORT peakController : public controller
 {
 	Q_OBJECT
 public:
diff --git a/include/tempo_sync_knob.h b/include/tempo_sync_knob.h
index 8f4a6dc2e..98f9928e6 100644
--- a/include/tempo_sync_knob.h
+++ b/include/tempo_sync_knob.h
@@ -38,7 +38,7 @@ class meterDialog;
 
 
 
-class tempoSyncKnobModel : public knobModel
+class EXPORT tempoSyncKnobModel : public knobModel
 {
 	Q_OBJECT
 public:
@@ -107,7 +107,7 @@ private:
 
 
 
-class tempoSyncKnob : public knob
+class EXPORT tempoSyncKnob : public knob
 {
 	Q_OBJECT
 public: