diff --git a/taglib/asf/asfpicture.cpp b/taglib/asf/asfpicture.cpp
index 50a42ab3..5970ea0b 100644
--- a/taglib/asf/asfpicture.cpp
+++ b/taglib/asf/asfpicture.cpp
@@ -35,9 +35,8 @@
 
 using namespace TagLib;
 
-class ASF::Picture::PicturePriavte : public RefCounter
+struct ASF::Picture::PicturePriavte : public RefCounter
 {
-public:
   bool valid;
   Type type;
   String mimeType;