diff --git a/api/models/Activity.js b/api/models/Activity.js
index 2a7ac1d16..5a58e8cfd 100644
--- a/api/models/Activity.js
+++ b/api/models/Activity.js
@@ -113,7 +113,7 @@ module.exports = bookshelf.Model.extend({
 
   contributionAmount: async function () {
     await this.load('projectContribution')
-    return this.relations.projectContribution.get('amount')
+    return this.relations.projectContribution ? this.relations.projectContribution.get('amount') : null
   }
 
 }, {