diff --git a/components/charts/bar-chart-simple.tsx b/components/charts/bar-chart-simple.tsx
index 5613ba7..fad4e08 100644
--- a/components/charts/bar-chart-simple.tsx
+++ b/components/charts/bar-chart-simple.tsx
@@ -92,7 +92,7 @@ const BarChartSimple: FC<Props> = ({ chartData, allMonths, month }) => {
     sessionStorage.removeItem(scrollPositionKey);
   }, []);
 
-  const selectMonthNames = allMonths.map((month) => month.name);
+  const selectMonthNames = allMonths.map((month) => month.name).slice(0, -1);
 
   return (
     <Card className="self-start">
diff --git a/components/new-old-companies-card.tsx b/components/new-old-companies-card.tsx
index 8b4d355..2e1c83f 100644
--- a/components/new-old-companies-card.tsx
+++ b/components/new-old-companies-card.tsx
@@ -31,7 +31,8 @@ const scrollPositionKey = getScrollPositionKey('root');
 const NewOldCompaniesCard: FC<Props> = ({ newOldCompanies, allMonths, month }) => {
   const { replace } = useRouter();
 
-  const selectMonthNames = allMonths.map((month) => month.name);
+  // remove last item to prevent exception
+  const selectMonthNames = allMonths.map((month) => month.name).slice(0, -1);
 
   const {
     firstTimeCompanies,