diff --git a/offlineimap/folder/LocalStatusSQLite.py b/offlineimap/folder/LocalStatusSQLite.py
index fb9679d..3950bb9 100644
--- a/offlineimap/folder/LocalStatusSQLite.py
+++ b/offlineimap/folder/LocalStatusSQLite.py
@@ -369,7 +369,8 @@ class LocalStatusSQLiteFolder(BaseFolder):
 
     def savemessagelabels(self, uid, labels, mtime=None):
         self.messagelist[uid]['labels'] = labels
-        if mtime: self.messagelist[uid]['mtime'] = mtime
+        if mtime:
+            self.messagelist[uid]['mtime'] = mtime
 
         labels = ', '.join(sorted(labels))
         if mtime: