diff --git a/addons/web/static/src/js/views/graph_widget.js b/addons/web/static/src/js/views/graph_widget.js
index b2cd726c95c..6b9e8459b78 100644
--- a/addons/web/static/src/js/views/graph_widget.js
+++ b/addons/web/static/src/js/views/graph_widget.js
@@ -99,7 +99,9 @@ return Widget.extend({
             }));
         } else {
             var chart = this['display_' + this.mode]();
-            chart.tooltip.chartContainer(this.$el[0]);
+            if (chart) {
+                chart.tooltip.chartContainer(this.$el[0]);
+            }
         }
     },
     display_bar: function () {