diff --git a/html/src/app.js b/html/src/app.js
index 74fe18d4..e1e6e5ac 100644
--- a/html/src/app.js
+++ b/html/src/app.js
@@ -5398,7 +5398,7 @@ speechSynthesis.getVoices();
                 API.getUser({
                     userId: id
                 }).catch((err) => {
-                    this.updateFriendInProgress.remove(id);
+                    this.updateFriendInProgress.delete(id);
                 });
             }
         } else {
@@ -5421,7 +5421,7 @@ speechSynthesis.getVoices();
             var args = await API.getUser({
                 userId: id
             }).catch((err) => {
-                this.updateFriendInProgress.remove(id);
+                this.updateFriendInProgress.delete(id);
             });
             if ((typeof args !== 'undefined') &&
                 (typeof args.ref !== 'undefined')) {
@@ -9749,6 +9749,7 @@ speechSynthesis.getVoices();
                 worldId: L.tag,
                 worldName: args.ref.name
             }, API.currentUser.id).finally(() => {
+                this.newInstanceDialog.visible = false;
                 this.$message({
                     message: 'Invite sent to yourself',
                     type: 'success'