diff --git a/lib/lyx2lyx/lyx_1_6.py b/lib/lyx2lyx/lyx_1_6.py
index f8409a0c7b..b5650e270b 100644
--- a/lib/lyx2lyx/lyx_1_6.py
+++ b/lib/lyx2lyx/lyx_1_6.py
@@ -430,7 +430,7 @@ def lyx2latex(document, lines):
             continue
         inert = ert_end >= curline
         content += lyxline2latex(document, lines[curline], inert)
-      
+
     return content