diff --git a/common/rfb/RawDecoder.h b/common/rfb/RawDecoder.h
index 9d0dc30..ca7c401 100644
--- a/common/rfb/RawDecoder.h
+++ b/common/rfb/RawDecoder.h
@@ -24,7 +24,7 @@
 
   class RawDecoder : public Decoder {
   public:
-    RawDecoder(CMsgReader* reader);
+    RawDecoder(CConnection* conn);
     virtual ~RawDecoder();
     virtual void readRect(const Rect& r, CMsgHandler* handler);
   };