diff --git a/common/rfb/HextileDecoder.cxx b/common/rfb/HextileDecoder.cxx
index ae61267..04ef956 100644
--- a/common/rfb/HextileDecoder.cxx
+++ b/common/rfb/HextileDecoder.cxx
@@ -34,7 +34,7 @@
 #include <rfb/hextileDecode.h>
 #undef BPP
 
-HextileDecoder::HextileDecoder(CMsgReader* reader_) : reader(reader_)
+HextileDecoder::HextileDecoder(CMsgReader* reader) : Decoder(reader)
 {
 }