diff --git a/public/app/core/components/TimelineChart/TimelineChart.tsx b/public/app/core/components/TimelineChart/TimelineChart.tsx
index e904530a82e..b1ad4f08b7a 100644
--- a/public/app/core/components/TimelineChart/TimelineChart.tsx
+++ b/public/app/core/components/TimelineChart/TimelineChart.tsx
@@ -20,7 +20,7 @@ export interface TimelineProps extends Omit<GraphNGProps, 'prepConfig' | 'propsT
   legendItems?: VizLegendItem[];
 }
 
-const propsToDiff = ['rowHeight', 'colWidth', 'showValue', 'mergeValues', 'alignValue'];
+const propsToDiff = ['rowHeight', 'colWidth', 'showValue', 'mergeValues', 'alignValue', 'tooltip'];
 
 export class TimelineChart extends React.Component<TimelineProps> {
   declare context: React.ContextType<typeof PanelContextRoot>;