diff --git a/common/rfb/SMsgHandler.cxx b/common/rfb/SMsgHandler.cxx
index 8124c50..730bc2c 100644
--- a/common/rfb/SMsgHandler.cxx
+++ b/common/rfb/SMsgHandler.cxx
@@ -39,7 +39,7 @@
   cp.setPF(pf);
 }
 
-void SMsgHandler::setEncodings(int nEncodings, rdr::U32* encodings)
+void SMsgHandler::setEncodings(int nEncodings, rdr::S32* encodings)
 {
   cp.setEncodings(nEncodings, encodings);
   supportsLocalCursor();