diff --git a/trans/views/changes.py b/trans/views/changes.py
index d4733f768241..8abe38045570 100644
--- a/trans/views/changes.py
+++ b/trans/views/changes.py
@@ -43,6 +43,7 @@ def __init__(self, **kwargs):
         self.translation = None
         self.language = None
         self.user = None
+        self.glossary = False
 
     def get_context_data(self, **kwargs):
         '''