diff --git a/genienlp/arguments.py b/genienlp/arguments.py
index e67dd094..d6a60e3c 100644
--- a/genienlp/arguments.py
+++ b/genienlp/arguments.py
@@ -55,7 +55,7 @@ def parse_argv(parser):
     parser.add_argument('--root', default='.', type=str,
                         help='root directory for data, results, embeddings, code, etc.')
     parser.add_argument('--data', default='.data/', type=str, help='where to load data from.')
-    parser.add_argument('--save', default='results', type=str, help='where to save results.')
+    parser.add_argument('--save', required=True, type=str, help='where to save results.')
     parser.add_argument('--embeddings', default='.embeddings', type=str, help='where to save embeddings.')
     parser.add_argument('--cache', default='.cache/', type=str, help='where to save cached files')