diff --git a/autoload/Powerline/Functions.vim b/autoload/Powerline/Functions.vim
index 3143de57..7d5b24a0 100644
--- a/autoload/Powerline/Functions.vim
+++ b/autoload/Powerline/Functions.vim
@@ -36,7 +36,7 @@ function! Powerline#Functions#GetFilepath() " {{{
 	endif
 
 	if ret == ('.' . dirsep)
-		return ''
+		let ret = ''
 	endif
 
 	let b:Powerline_filepath = ret