diff --git a/common/rfb/VNCServerST.h b/common/rfb/VNCServerST.h
index 47a4801..2fed0a8 100644
--- a/common/rfb/VNCServerST.h
+++ b/common/rfb/VNCServerST.h
@@ -238,6 +238,8 @@
 
     void notifyScreenLayoutChange(VNCSConnectionST *requester);
 
+    bool getComparerState();
+
     QueryConnectionHandler* queryConnectionHandler;
     KeyRemapper* keyRemapper;
     bool useEconomicTranslate;