diff --git a/frontend/src/views/reports/ReportsView.vue b/frontend/src/views/reports/ReportsView.vue
index 7a07c2a..91c63e7 100644
--- a/frontend/src/views/reports/ReportsView.vue
+++ b/frontend/src/views/reports/ReportsView.vue
@@ -358,7 +358,7 @@ const spendingChartOptions = computed(() => ({
       dataPointMouseLeave: () => {
         setChartHighlight(null)
       },
-      legendMouseOver: (_ctx: any, _opts: any, config: any) => {
+      legendMouseOver: (_ctx: any, config: any) => {
         const labels = spending.value?.categories.map(c => c.categoryName) ?? []
         setChartHighlight(labels[config.seriesIndex] ?? null)
       },