diff --git a/common/rfb/ZRLEDecoder.h b/common/rfb/ZRLEDecoder.h
index e7e2b8c..492597e 100644
--- a/common/rfb/ZRLEDecoder.h
+++ b/common/rfb/ZRLEDecoder.h
@@ -27,7 +27,7 @@
   public:
     ZRLEDecoder(CConnection* conn);
     virtual ~ZRLEDecoder();
-    virtual void readRect(const Rect& r, CMsgHandler* handler);
+    virtual void readRect(const Rect& r, ModifiablePixelBuffer* pb);
   private:
     rdr::ZlibInStream zis;
   };