1 files changed, 3 insertions, 3 deletions
diff --git a/lib/optparse.rb b/lib/optparse.rb
index 54a92ceff2..cdc8ce4468 100644
--- a/lib/optparse.rb
+++ b/lib/optparse.rb
@@ -222,7 +222,7 @@ Individual switch class.
 =end #'#"#`#
     def parse(arg, *val)
       if block
-	val = conv.yield(*val) if conv
+	val = conv.call(*val) if conv
 	return arg, block, val
       else
 	return arg, nil
@@ -1117,7 +1117,7 @@ Default options, which never appear in option summary.
 	  end
 	  begin
 	    opt, sw, val = sw.parse(rest, argv) {|*exc| raise(*exc)}
-	    sw.yield(val) if sw
+	    sw.call(val) if sw
 	  rescue ParseError
 	    raise $!.set_option(arg, rest)
 	  end
@@ -1146,7 +1146,7 @@ Default options, which never appear in option summary.
 	    opt, sw, val = sw.parse(val, argv) {|*exc| raise(*exc) if eq}
 	    raise InvalidOption, arg if has_arg and !eq and arg == "-#{opt}"
 	    argv.unshift(opt) if opt and (opt = opt.sub(/\A-*/, '-')) != '-'
-	    sw.yield(val) if sw
+	    sw.call(val) if sw
 	  rescue ParseError
 	    raise $!.set_option(arg, has_arg)
 	  end