diff --git a/lcviz/plugins/time_selector/time_selector.py b/lcviz/plugins/time_selector/time_selector.py
index 8f97dcc8..9ac85cc1 100644
--- a/lcviz/plugins/time_selector/time_selector.py
+++ b/lcviz/plugins/time_selector/time_selector.py
@@ -47,6 +47,10 @@ def slice_axis(self):
         # global display unit "axis" corresponding to the slice axis
         return 'time'
 
+    @property
+    def valid_slice_att_names(self):
+        return ["time", "dt"]
+
     @property
     def user_api(self):
         api = super().user_api