diff --git a/frontend/app/components/Dashboard/components/FilterSeries/FilterSeries.tsx b/frontend/app/components/Dashboard/components/FilterSeries/FilterSeries.tsx
index 0844e6259..fa9249183 100644
--- a/frontend/app/components/Dashboard/components/FilterSeries/FilterSeries.tsx
+++ b/frontend/app/components/Dashboard/components/FilterSeries/FilterSeries.tsx
@@ -143,7 +143,7 @@ function FilterSeries(props: Props) {
     onToggleCollapse,
     excludeCategory
   } = props;
-  const expanded = !collapseState
+  const expanded = isHeatmap || !collapseState
   const setExpanded = onToggleCollapse
   const { series, seriesIndex } = props;