diff --git a/src/calibre/ebooks/txt/txtml.py b/src/calibre/ebooks/txt/txtml.py
index bf33e5540a..660fd9d38a 100644
--- a/src/calibre/ebooks/txt/txtml.py
+++ b/src/calibre/ebooks/txt/txtml.py
@@ -218,7 +218,7 @@ class TXTMLizer(object):
 
         if tag in SPACE_TAGS:
             text.append(u' ')
-            
+
         # Scene breaks.
         if tag == 'hr':
             text.append('\n\n* * *\n\n')