diff --git a/src/components/ActivityListItem.vue b/src/components/ActivityListItem.vue
index 2c59d569..ebc081d8 100644
--- a/src/components/ActivityListItem.vue
+++ b/src/components/ActivityListItem.vue
@@ -533,6 +533,7 @@ export default class ActivityListItem extends Vue {
     try {
       // Create an Emoji claim and send to the server
       const emojiClaim: GenericVerifiableCredential = {
+        "@context": "https://endorser.ch",
         "@type": "Emoji",
         text: emoji,
         parentItem: { lastClaimId: this.record.jwtId },
@@ -576,6 +577,7 @@ export default class ActivityListItem extends Vue {
     try {
       // Create an Emoji claim and send to the server
       const emojiClaim: GenericVerifiableCredential = {
+        "@context": "https://endorser.ch",
         "@type": "Emoji",
         text: emoji,
         parentItem: { lastClaimId: this.record.jwtId },