diff --git a/python/obitools3/apps/optiongroups/__init__.py b/python/obitools3/apps/optiongroups/__init__.py
index 43391fb..894a965 100755
--- a/python/obitools3/apps/optiongroups/__init__.py
+++ b/python/obitools3/apps/optiongroups/__init__.py
@@ -227,7 +227,7 @@ def __addDMSOutputOption(optionManager):
     group.add_argument('--max-elts',
                  action="store", dest="obi:maxelts",
                  metavar='<N>',
-                 default=1000,
+                 default=1000000,
                  type=int,
                  help="Maximum number of elements per line in a column "
                       "(e.g. the number of different keys in a dictionary-type "