1 diff --git a/src/rrd_graph.c b/src/rrd_graph.c
2 index 2c4f71a..275a8c0 100644
3 --- a/src/rrd_graph.c
4 +++ b/src/rrd_graph.c
5 @@ -4191,7 +4191,7 @@ void rrd_graph_options(
6 int col_start, col_end;
8 opt = getopt_long(argc, argv,
9 - "Aa:B:b:c:Dd:Ee:Ff:G:gh:IiJjL:l:Nn:Bb:oPR:rS:s:T:t:u:v:W:w:X:x:Yy:z",
10 + "Aa:B:b:c:Dd:Ee:Ff:G:gh:IiJjL:l:MNn:oPR:rS:s:T:t:u:v:W:w:X:x:Yy:z",
11 long_options, &option_index);
12 if (opt == EOF)
13 break;