diff --git a/common/rfb/RawDecoder.h b/common/rfb/RawDecoder.h
index 4caf175..21ea738 100644
--- a/common/rfb/RawDecoder.h
+++ b/common/rfb/RawDecoder.h
@@ -26,7 +26,10 @@
     RawDecoder();
     virtual ~RawDecoder();
     virtual void readRect(const Rect& r, rdr::InStream* is,
-                          const ConnParams& cp, ModifiablePixelBuffer* pb);
+                          const ConnParams& cp, rdr::OutStream* os);
+    virtual void decodeRect(const Rect& r, const void* buffer,
+                            size_t buflen, const ConnParams& cp,
+                            ModifiablePixelBuffer* pb);
   };
 }
 #endif