diff --git a/powerline/bindings/vim/__init__.py b/powerline/bindings/vim/__init__.py
index 4a17565e..5ee5225e 100644
--- a/powerline/bindings/vim/__init__.py
+++ b/powerline/bindings/vim/__init__.py
@@ -90,7 +90,7 @@ else:
 
 if hasattr(vim, 'options'):
 	def vim_getbufoption(info, option):
-		return info['buffer'].options[option]
+		return info['buffer'].options[str(option)]
 else:
 	def vim_getbufoption(info, option):  # NOQA
 		return getbufvar(info['bufnr'], '&' + option)