diff --git a/src/dos/cdrom.h b/src/dos/cdrom.h
index 705f8429..c6dccc41 100644
--- a/src/dos/cdrom.h
+++ b/src/dos/cdrom.h
@@ -112,6 +112,7 @@ private:
 	public:
 		virtual bool read(Bit8u *buffer, int seek, int count) = 0;
 		virtual int getLength() = 0;
+		virtual ~TrackFile() = 0;
 	};
 	
 	class BinaryFile : public TrackFile {