diff --git a/common/rfb/CMsgReader.h b/common/rfb/CMsgReader.h
index ff73414..7b52033 100644
--- a/common/rfb/CMsgReader.h
+++ b/common/rfb/CMsgReader.h
@@ -69,6 +69,8 @@
     CMsgHandler* handler;
     rdr::InStream* is;
     int nUpdateRectsLeft;
+
+    static const int maxCursorSize = 256;
   };
 }
 #endif