diff --git a/packages/@ourworldindata/grapher/src/stackedCharts/MarimekkoChart.tsx b/packages/@ourworldindata/grapher/src/stackedCharts/MarimekkoChart.tsx
index eb83bb0f5e5..06c9b8aa932 100644
--- a/packages/@ourworldindata/grapher/src/stackedCharts/MarimekkoChart.tsx
+++ b/packages/@ourworldindata/grapher/src/stackedCharts/MarimekkoChart.tsx
@@ -282,7 +282,7 @@ export class MarimekkoChart
         if (!this.yColumnSlugs.length) return table
 
         if (excludedEntities || includedEntities) {
-            this.filterManuallySelectedEntities(table)
+            table = this.filterManuallySelectedEntities(table)
         }
 
         // TODO: remove this filter once we don't have mixed type columns in datasets