diff --git a/autoload/ctrlp/line.vim b/autoload/ctrlp/line.vim
index a592a41..10a45fa 100644
--- a/autoload/ctrlp/line.vim
+++ b/autoload/ctrlp/line.vim
@@ -30,17 +30,17 @@ fu! s:syntax()
 endf
 " Public {{{1
 fu! ctrlp#line#init()
-	let [bufs, lines] = [filter(ctrlp#buffers(), 'filereadable(v:val)'), []]
-	for each in bufs
-		let [fnamet, ff] = [fnamemodify(each, ':t'), readfile(each)]
-		let bname = fnamemodify(each, ':p')
-		cal map(ff, 'tr(v:val, ''	'', '' '')')
-		let [id, len_ff, bufnr] = [1, len(ff), bufnr('^'.bname.'$')]
-		wh id <= len_ff
-			let ff[id-1] .= '	|'.fnamet.'|'.bufnr.':'.id.'|'
-			let id += 1
+	let [bufs, lines] = [ctrlp#buffers('id'), []]
+	for bufnr in bufs
+		let [lfb, bufn] = [getbufline(bufnr, 1, '$'), bufname(bufnr)]
+		let lfb = lfb == [] ? ctrlp#utils#readfile(fnamemodify(bufn, ':p')) : lfb
+		cal map(lfb, 'tr(v:val, ''	'', '' '')')
+		let [linenr, len_lfb, buft] = [1, len(lfb), fnamemodify(bufn, ':t')]
+		wh linenr <= len_lfb
+			let lfb[linenr - 1] .= '	|'.buft.'|'.bufnr.':'.linenr.'|'
+			let linenr += 1
 		endw
-		cal extend(lines, filter(ff, 'v:val !~ ''^\s*\t|[^|]\+|\d\+:\d\+|$'''))
+		cal extend(lines, filter(lfb, 'v:val !~ ''^\s*\t|[^|]\+|\d\+:\d\+|$'''))
 	endfo
 	cal s:syntax()
 	retu lines