1 files changed, 1 insertions, 0 deletions
diff --git a/src/tsort.c b/src/tsort.c
index 52f0550e3..57421a522 100644
--- a/src/tsort.c
+++ b/src/tsort.c
@@ -550,6 +550,7 @@ main (int argc, char **argv)
 {
   int opt;
 
+  initialize_main (&argc, &argv);
   program_name = argv[0];
   setlocale (LC_ALL, "");
   bindtextdomain (PACKAGE, LOCALEDIR);