diff --git a/common/rfb/TightDecoder.h b/common/rfb/TightDecoder.h
index a44f7d8..028514a 100644
--- a/common/rfb/TightDecoder.h
+++ b/common/rfb/TightDecoder.h
@@ -28,9 +28,10 @@
   class TightDecoder : public Decoder {
 
   public:
-    TightDecoder(CConnection* conn);
+    TightDecoder();
     virtual ~TightDecoder();
-    virtual void readRect(const Rect& r, ModifiablePixelBuffer* pb);
+    virtual void readRect(const Rect& r, rdr::InStream* is,
+                          const ConnParams& cp, ModifiablePixelBuffer* pb);
 
   private:
     rdr::U32 readCompact(rdr::InStream* is);