diff --git a/vim/vimrc b/vim/vimrc
index 08b99d7..89302f8 100644
--- a/vim/vimrc
+++ b/vim/vimrc
@@ -87,7 +87,7 @@ fu _agw.is_lang(lang)
 endfu
 
 fu _agw.fill_line()
-	if g:_agw.use_ruby
+	if g:_agw.use_ruby != 0
 ruby<<
 	tw  = VIM::evaluate("&tw").to_i
 	tw  = 80 if tw == 0
@@ -129,11 +129,11 @@ fu _agw.statusline_start()
 endfu
 
 fu _agw.strip_white()
-	if g:_agw.use_ruby
+	if g:_agw.use_ruby != 0
 ruby<<
 	for ln in 1..$curbuf.length
 		li = $curbuf[ln]
-		if li[-1] == ?\s
+		if li[-1] =~ /\s/
 			$curbuf[ln] = li.rstrip!
 		end
 	end