1 files changed, 1 insertions, 1 deletions
diff --git a/src/expr.c b/src/expr.c
index 18000705d..6b705d467 100644
--- a/src/expr.c
+++ b/src/expr.c
@@ -175,7 +175,7 @@ main (int argc, char **argv)
   if (argc == 1)
     {
       error (0, 0, _("too few arguments"));
-      usage (1);
+      usage (EXIT_FAILURE);
     }
 
   args = argv + 1;