diff --git a/asciiWriter/wrap_single_line.py b/asciiWriter/wrap_single_line.py
index 29db539..8b69e42 100644
--- a/asciiWriter/wrap_single_line.py
+++ b/asciiWriter/wrap_single_line.py
@@ -110,7 +110,7 @@ class TextWrapper(textwrap.TextWrapper):
                               
                   return indent + self.placeholder.lstrip(), ''.join(reversed(chunks))
         else:
-          return '', []
+          return '', ''
           
 def wrap_single_line (text, width=70, **kwargs):
     w = TextWrapper(width=width, **kwargs)