diff --git a/gramps/plugins/export/exportcsv.py b/gramps/plugins/export/exportcsv.py
index c4dcdd163..685a03e29 100644
--- a/gramps/plugins/export/exportcsv.py
+++ b/gramps/plugins/export/exportcsv.py
@@ -116,7 +116,7 @@ class CSVWriterOptionBox(WriterOptionBox):
     """
     def __init__(self, person, dbstate, uistate, track=[], window=None):
         WriterOptionBox.__init__(self, person, dbstate, uistate, track=track,
-        window=window)
+                                 window=window)
         ## TODO: add place filter selection
         self.include_individuals = 1
         self.include_marriages = 1