diff --git a/sf_demand_plan/static/src/scss/style.css b/sf_demand_plan/static/src/scss/style.css
index 0e4e6ff0..f5b687fb 100644
--- a/sf_demand_plan/static/src/scss/style.css
+++ b/sf_demand_plan/static/src/scss/style.css
@@ -4,4 +4,8 @@
 
 .demand_plan_tree .o_list_table_grouped th:not(.o_list_record_selector,.row_no,[data-name=sequence]) {
     width: 98px !important;
-}
\ No newline at end of file
+}
+
+.demand_plan_tree .o_list_table_ungrouped  {
+    min-width: 1900px;
+}