diff --git a/fsfwgen/core.py b/fsfwgen/core.py
index 48077c7..97d1d05 100644
--- a/fsfwgen/core.py
+++ b/fsfwgen/core.py
@@ -83,7 +83,7 @@ def init_printout(project_string: str):
 
 def return_generic_args_parser() -> argparse.ArgumentParser:
     parser = argparse.ArgumentParser("Arguments for FSFW MIB generation")
-    choices = ("events", "objects", "returnvalues", "subservices")
+    choices = ("events", "objects", "returnvalues", "subservices", "all")
     parser.add_argument(
         "type",
         metavar="type",