From ebddbcb805ab603287267cfd684c75d85e72a41d Mon Sep 17 00:00:00 2001
From: Neil Booth <kyuupichan@gmail.com>
Date: Thu, 3 Sep 2015 17:17:46 +0900
Subject: [PATCH] Fix bug.

---
 plugins/exchange_rate.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/plugins/exchange_rate.py b/plugins/exchange_rate.py
index 534dadc4f..12b51633a 100644
--- a/plugins/exchange_rate.py
+++ b/plugins/exchange_rate.py
@@ -323,8 +323,9 @@ class Plugin(BasePlugin):
             else:
                 return
 
-        for window in self.gui.windows:
-            window.need_update.set()
+        if self.gui:
+            for window in self.gui.windows:
+                window.need_update.set()
 
     def requires_settings(self):
         return True