diff --git a/libs/audiographer/audiographer/source.h b/libs/audiographer/audiographer/source.h
index 2d80345b9b..8196e4a25e 100644
--- a/libs/audiographer/audiographer/source.h
+++ b/libs/audiographer/audiographer/source.h
@@ -15,7 +15,7 @@ namespace AudioGrapher
   * This is a pure virtual interface for all data sources in AudioGrapher
   */
 template<typename T>
-class /*LIBAUDIOGRAPHER_API*/ Source
+class LIBAUDIOGRAPHER_API Source
 {
   public:
 	virtual ~Source () { }
diff --git a/libs/audiographer/audiographer/utils/listed_source.h b/libs/audiographer/audiographer/utils/listed_source.h
index 7069f13c72..6396b23fc7 100644
--- a/libs/audiographer/audiographer/utils/listed_source.h
+++ b/libs/audiographer/audiographer/utils/listed_source.h
@@ -13,7 +13,7 @@ namespace AudioGrapher
 
 /// An generic \a Source that uses a \a std::list for managing outputs
 template<typename T = DefaultSampleType>
-class /*LIBAUDIOGRAPHER_API*/ ListedSource : public Source<T>
+class LIBAUDIOGRAPHER_API ListedSource : public Source<T>
 {
   public:
 	void add_output (typename Source<T>::SinkPtr output) { outputs.push_back(output); }