diff --git a/syntax_checkers/haml/haml.vim b/syntax_checkers/haml/haml.vim
index 77d0a8dc..8371055f 100644
--- a/syntax_checkers/haml/haml.vim
+++ b/syntax_checkers/haml/haml.vim
@@ -10,22 +10,22 @@
 "
 "============================================================================
 
-if exists("g:loaded_syntastic_haml_haml_checker")
+if exists('g:loaded_syntastic_haml_haml_checker')
     finish
 endif
 let g:loaded_syntastic_haml_haml_checker=1
 
-if !exists("g:syntastic_haml_interpreter")
-    let g:syntastic_haml_interpreter = "haml"
+if !exists('g:syntastic_haml_interpreter')
+    let g:syntastic_haml_interpreter = 'haml'
 endif
 
 function! SyntaxCheckers_haml_haml_IsAvailable()
-    return executable(g:syntastic_haml_interpreter)
+    return executable(expand(g:syntastic_haml_interpreter))
 endfunction
 
 function! SyntaxCheckers_haml_haml_GetLocList()
     let makeprg = syntastic#makeprg#build({
-        \ 'exe': g:syntastic_haml_interpreter,
+        \ 'exe': expand(g:syntastic_haml_interpreter),
         \ 'args': '-c',
         \ 'filetype': 'haml',
         \ 'subchecker': 'haml' })