diff --git a/odo/backends/csv.py b/odo/backends/csv.py
index d6b24f11..87688096 100644
--- a/odo/backends/csv.py
+++ b/odo/backends/csv.py
@@ -92,9 +92,11 @@ def append_dataframe_to_csv(c, df, dshape=None, **kwargs):
     encoding=kwargs.get('encoding', c.encoding)
 
     if ext(c.path) in compressed_open:
-        kwargs = dict(mode='at')
         if sys.version_info[0] >= 3:
+            kwargs['mode'] = 'at'
             kwargs['encoding'] = encoding
+        elif sys.version_info[0] == 2:
+            kwargs['mode'] = 'ab' if sys.platform == 'win32' else 'at'
         f = compressed_open[ext(c.path)](c.path, **kwargs)
     else:
         f = c.path