diff --git a/app/constants.js b/app/constants.js
index fd1387910..86b94ad83 100644
--- a/app/constants.js
+++ b/app/constants.js
@@ -28,7 +28,7 @@ const ActivityCategories = [
   'IFES',
   'OZON',
   'Disputen',
-  'Genootschapen',
+  'Genootschappen',
   'Huizen',
   'Extern',
   'Eerstejaars',
diff --git a/mirage/factories/activity.js b/mirage/factories/activity.js
index 277f14dd5..7674e3eeb 100644
--- a/mirage/factories/activity.js
+++ b/mirage/factories/activity.js
@@ -21,7 +21,7 @@ export default Factory.extend({
       'ifes',
       'ozon',
       'disputen',
-      'genootschapen',
+      'genootschappen',
       'huizen',
       'extern',
     ]),