diff --git a/python/obitools3/apps/optiongroups/__init__.py b/python/obitools3/apps/optiongroups/__init__.py
index e16a693..bbde3cf 100755
--- a/python/obitools3/apps/optiongroups/__init__.py
+++ b/python/obitools3/apps/optiongroups/__init__.py
@@ -75,10 +75,10 @@ def __addImportInputOption(optionManager):
                      const=b'tabular',
                      help="Input file is a tabular file")
 
-    group.add_argument('--skip-on-error',
-                     action="store_true", dest="obi:skiperror",
+    group.add_argument('--no-skip-on-error',
+                     action="store_false", dest="obi:skiperror",
                      default=True,
-                     help="Skip sequence entries with parsing errors")
+                     help="Don't skip sequence entries with parsing errors (default: they are skipped)")
 
     group.add_argument('--no-quality',
                      action="store_true", dest="obi:noquality",