diff --git a/dis/src/pythia_dis.cc b/dis/src/pythia_dis.cc
index 54cd5a119833ec3b85b02d6dedce0e6d0b2060ba..6736f49f690f78bc83bd5f4c01649631f0139661 100644
--- a/dis/src/pythia_dis.cc
+++ b/dis/src/pythia_dis.cc
@@ -65,10 +65,10 @@ void print_man_page(T cli, const char* argv0)
 settings cmdline_settings(int argc, char* argv[]) {
   settings s;
   auto     lastOpt =
-      " options:" % (option("-h", "--help").set(s.selected, mode::help) % "show help"),
+      " options:" % (option("-h", "--help").set(s.selected, mode::help) % "show help",
                      value("file", s.outfile).if_missing([] {
                        std::cout << "You need to provide an output filename argument!\n";
-                     }) % "output file";
+                     }) % "output file");
 
   auto cli =
       (command("help").set(s.selected, mode::help) | lastOpt);