diff --git a/src/universal/helpers/bag.test.ts b/src/universal/helpers/bag.test.ts
index 38a9c1069..017e5765e 100644
--- a/src/universal/helpers/bag.test.ts
+++ b/src/universal/helpers/bag.test.ts
@@ -154,7 +154,7 @@ describe('getLatLonByAddress', () => {
       });
     });
 
-    test('huisnummertoevoeging extracted with extra comma', () => {
+    test('huisnummertoevoeging extracted with trailing comma', () => {
       expect(extractAddress('Herengracht 23-1,')).toStrictEqual({
         openbareruimteNaam: 'Herengracht',
         huisnummer: 23,
@@ -163,6 +163,15 @@ describe('getLatLonByAddress', () => {
       });
     });
 
+    test('Letter extracted as toevoeging', () => {
+      expect(extractAddress('Insulindeweg 26A')).toStrictEqual({
+        openbareruimteNaam: 'Insulindeweg',
+        huisnummer: 23,
+        huisnummertoevoeging: 'A',
+        huisletter: undefined,
+      });
+    });
+
     test('Ignores postcal code, city name and random charcters', () => {
       expect(
         extractAddress('Straatnaam 1, 1015BA, Amsterdam _ ; ,')