diff --git a/web/src/lib/date.ts b/web/src/lib/date.ts
index 0034d49..22048a1 100644
--- a/web/src/lib/date.ts
+++ b/web/src/lib/date.ts
@@ -101,7 +101,7 @@ export function formatDateRange(dates: string[]): string {
 
   if (firstDate.getMonth() === lastDate.getMonth()) {
     // same month
-    return `${firstDate.getDay()}.-${lastDate.getDay()}. ${formatDate(
+    return `${firstDate.getDay()}.—${lastDate.getDay()}. ${formatDate(
       firstDate,
       "MMMM"
     )}`;
@@ -110,5 +110,5 @@ export function formatDateRange(dates: string[]): string {
   // continues into next month
   const formattedFirstDate = formatDate(firstDate, "d. MMMM");
   const formattedLastDate = formatDate(lastDate, "d. MMMM");
-  return `${formattedFirstDate} - ${formattedLastDate}`;
+  return `${formattedFirstDate}—${formattedLastDate}`;
 }