diff --git a/common/rfb/Encoder.cxx b/common/rfb/Encoder.cxx
index 1733c8e..6b2321c 100644
--- a/common/rfb/Encoder.cxx
+++ b/common/rfb/Encoder.cxx
@@ -25,9 +25,14 @@
 #include <rfb/HextileEncoder.h>
 #include <rfb/ZRLEEncoder.h>
 #include <rfb/TightEncoder.h>
+#include <rfb/SMsgWriter.h>
 
 using namespace rfb;
 
+Encoder::Encoder(SMsgWriter* writer_) : writer(writer_)
+{
+}
+
 Encoder::~Encoder()
 {
 }