From 1573e71af90254af1b804bc69eea1054bffda214 Mon Sep 17 00:00:00 2001
From: ThomasV <thomasv@gitorious>
Date: Fri, 30 Nov 2012 06:14:20 +0100
Subject: [PATCH] fix

---
 lib/gui_qt.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/gui_qt.py b/lib/gui_qt.py
index 243e677d6..628662493 100644
--- a/lib/gui_qt.py
+++ b/lib/gui_qt.py
@@ -150,7 +150,7 @@ class QRCodeWidget(QWidget):
             self.update()
 
     def update_qr(self):
-        if not self.qr:
+        if self.addr and not self.qr:
             self.qr = pyqrnative.QRCode(4, pyqrnative.QRErrorCorrectLevel.L)
             self.qr.addData(self.addr)
             self.qr.make()