diff --git a/volia/clustering.py b/volia/clustering.py
index 8c4a98d..7411f48 100644
--- a/volia/clustering.py
+++ b/volia/clustering.py
@@ -150,6 +150,7 @@ if __name__ == "__main__":
                                 required=True,
                                 choices=["kmeans", "2", "3"],
                                 help="...")
+    parser_disequilibrium.set_defaults(which="disequilibrium")
 
     # Parse
     args = parser.parse_args()