diff --git a/superset/assets/visualizations/time_table.css b/superset/assets/visualizations/time_table.css
index b4ed97f6a9acc..e60b0b33db0b6 100644
--- a/superset/assets/visualizations/time_table.css
+++ b/superset/assets/visualizations/time_table.css
@@ -1,3 +1,3 @@
 .time_table.slice_container {
-  overflow: auto;
+  overflow: auto !important;
 }