diff --git a/code/MMDPmxParser.h b/code/MMDPmxParser.h
index 989cffed6..a26eddb04 100644
--- a/code/MMDPmxParser.h
+++ b/code/MMDPmxParser.h
@@ -87,6 +87,7 @@ namespace pmx
 	{
 	public:
 		virtual void Read(std::istream *stream, PmxSetting *setting) = 0;
+		virtual ~PmxVertexSkinning() {}
 	};
 
 	class PmxVertexSkinningBDEF1 : public PmxVertexSkinning