diff --git a/tests/decperf.cxx b/tests/decperf.cxx
index 056848a..301e45e 100644
--- a/tests/decperf.cxx
+++ b/tests/decperf.cxx
@@ -47,7 +47,7 @@
   CConn(const char *filename);
   ~CConn();
 
-  virtual void setDesktopSize(int w, int h);
+  virtual void initDone();
   virtual void setPixelFormat(const rfb::PixelFormat& pf);
   virtual void setCursor(int, int, const rfb::Point&, const rdr::U8*);
   virtual void framebufferUpdateStart();
@@ -81,10 +81,8 @@
   delete in;
 }
 
-void CConn::setDesktopSize(int w, int h)
+void CConn::initDone()
 {
-  CConnection::setDesktopSize(w, h);
-
   setFramebuffer(new rfb::ManagedPixelBuffer(filePF,
                                              server.width(),
                                              server.height()));