diff --git a/src/core/organiseformat.h b/src/core/organiseformat.h
index 17e6d3078..d8ff83d60 100644
--- a/src/core/organiseformat.h
+++ b/src/core/organiseformat.h
@@ -27,7 +27,7 @@
 
 #include "core/song.h"
 
-class TranscoderPreset;
+struct TranscoderPreset;
 
 class OrganiseFormat {
  public: