diff --git a/plugin/syntastic.vim b/plugin/syntastic.vim
index cf4821b9..d66339d8 100644
--- a/plugin/syntastic.vim
+++ b/plugin/syntastic.vim
@@ -106,7 +106,7 @@ function! s:ErrorsForType(type)
     if !exists("b:syntastic_loclist")
         return []
     endif
-    return filter(copy(b:syntastic_loclist), 'v:val["type"] ==# "' . a:type . '"')
+    return filter(copy(b:syntastic_loclist), 'v:val["type"] ==? "' . a:type . '"')
 endfunction
 
 if g:syntastic_enable_signs
diff --git a/syntax_checkers/less.vim b/syntax_checkers/less.vim
index ef6d3c7e..912b5625 100644
--- a/syntax_checkers/less.vim
+++ b/syntax_checkers/less.vim
@@ -20,13 +20,17 @@ if !executable("lessc")
 endif
 
 function! SyntaxCheckers_less_GetLocList()
-    let output = system("lessc " . shellescape(expand("%")))
-    if v:shell_error != 0
-        "less only outputs the first error, so parse it ourselves
-        let line = substitute(output, '^! Syntax Error: on line \(\d*\):.*$', '\1', '')
-        let msg = substitute(output, '^! Syntax Error: on line \d*:\(.*\)$', '\1', '')
-        return [{'lnum' : line, 'text' : msg, 'bufnr': bufnr(""), 'type': 'E' }]
-    endif
-    return []
-endfunction
+    let makeprg = 'lessc '. shellescape(expand('%'))
+    let errorformat = 'Syntax %trror on line %l,! Syntax %trror: on line %l: %m,%-G%.%#'
+    let errors = SyntasticMake({ 'makeprg': makeprg, 'errorformat': errorformat })
 
+    for i in errors
+        let i['bufnr'] = bufnr("")
+
+        if empty(i['text'])
+            let i['text'] = "Syntax error"
+        endif
+    endfor
+
+    return errors
+endfunction