diff --git a/indent/sass.vim b/indent/sass.vim
index 4622f00..e956741 100644
--- a/indent/sass.vim
+++ b/indent/sass.vim
@@ -17,7 +17,8 @@ if exists("*GetSassIndent")
   finish
 endif
 
-let s:property = '^\s*:\|^\s*[[:alnum:]-]\+\%(:\|\s*=\)'
+let s:property = '^\s*:\|^\s*[[:alnum:]#{}-]\+\%(:\|\s*=\)'
+let s:extend = '^\s*\%(@extend\|+\)'
 
 function! GetSassIndent()
   let lnum = prevnonblank(v:lnum-1)
@@ -27,7 +28,7 @@ function! GetSassIndent()
   let line = substitute(line,'^\s\+','','')
   let indent = indent(lnum)
   let cindent = indent(v:lnum)
-  if line !~ s:property && cline =~ s:property
+  if line !~ s:property && line !~ s:extend && cline =~ s:property
     return indent + &sw
   "elseif line =~ s:property && cline !~ s:property
     "return indent - &sw