diff --git a/src/python/jw/pkg/lib/App.py b/src/python/jw/pkg/lib/App.py
index ebd3fd6d..a778f73c 100644
--- a/src/python/jw/pkg/lib/App.py
+++ b/src/python/jw/pkg/lib/App.py
@@ -229,11 +229,16 @@ class App:  # export
         )
         self._add_arguments(self.__parser)
 
-        args, _ = self.__parser.parse_known_args(argv)
-        set_log_flags(args.log_flags)
-        set_log_level(args.log_level)
-
-        log(DEBUG, f'-------------- Running: >{pretty_cmd(cmdline)}<')
+        if not add_all_parsers:
+            # Parse known args and configure logging, but only if we're not on
+            # an interactive usage mission. The problem with parse_known_args()
+            # is that it fails over missing but required arguments, and we
+            # don't want that to happen and never get to the point where
+            # '--help' is registered.
+            args, _ = self.__parser.parse_known_args(argv)
+            set_log_flags(args.log_flags)
+            set_log_level(args.log_level)
+            log(DEBUG, f'-------------- Running: >{pretty_cmd(cmdline)}<')
 
         add_cmds_to_parser(self, self.__parser, self.__cmds, all = add_all_parsers)