diff --git a/vncviewer/FTDialog.cxx b/vncviewer/FTDialog.cxx
index e4d1830..15cb919 100644
--- a/vncviewer/FTDialog.cxx
+++ b/vncviewer/FTDialog.cxx
@@ -40,7 +40,7 @@
   m_pRemoteLV = NULL;
   m_pProgress = NULL;
 
-  m_hwndFTDialog = false;
+  m_hwndFTDialog = NULL;
 }
 
 FTDialog::~FTDialog()