1 files changed, 6 insertions, 1 deletions
diff --git a/muse2/muse/mixer/astrip.h b/muse2/muse/mixer/astrip.h
index fc25bb9b..72e88cca 100644
--- a/muse2/muse/mixer/astrip.h
+++ b/muse2/muse/mixer/astrip.h
@@ -43,8 +43,11 @@ class QToolButton;
 //class PopupMenu;
 class QButton;
 class AudioTrack;
-class EffectRack;
 
+namespace MusEMixer {
+
+class EffectRack;
+  
 //---------------------------------------------------------
 //   AudioStrip
 //---------------------------------------------------------
@@ -113,5 +116,7 @@ class AudioStrip : public Strip {
       //virtual QSize sizeHint () const;
       };
 
+} // namespace MusEMixer
+
 #endif