diff --git a/linkcheck/gui/debug.py b/linkcheck/gui/debug.py
index 982f9fc9..9b359311 100644
--- a/linkcheck/gui/debug.py
+++ b/linkcheck/gui/debug.py
@@ -26,6 +26,7 @@ class LinkCheckerDebug (QtGui.QDialog, Ui_DebugDialog):
         super(LinkCheckerDebug, self).__init__(parent)
         self.setupUi(self)
         self.connect(self, QtCore.SIGNAL("log_msg(QString)"), self.log_msg)
+        self.reset()
 
     def log_msg (self, msg):
         self.textEdit.appendPlainText(msg)