diff --git a/common/rfb/TightEncoder.h b/common/rfb/TightEncoder.h
index 9773135..35f2f59 100644
--- a/common/rfb/TightEncoder.h
+++ b/common/rfb/TightEncoder.h
@@ -35,7 +35,7 @@
     unsigned int monoMinRectSize;
     int idxZlibLevel, monoZlibLevel, rawZlibLevel;
     int idxMaxColorsDivisor;
-    int jpegQuality;
+    int jpegQuality, jpegSubSample;
   };
 
   //