diff --git a/assets/javascripts/discourse/components/assign-user-form.js b/assets/javascripts/discourse/components/assign-user-form.js
index 6f7f7dd..d9df235 100644
--- a/assets/javascripts/discourse/components/assign-user-form.js
+++ b/assets/javascripts/discourse/components/assign-user-form.js
@@ -27,18 +27,4 @@ export default class AssignUserForm extends Component {
 
     await this.args.onSubmit();
   }
-
-  @action
-  assignUsername([name]) {
-    this.assigneeName = name;
-    this.assigneeError = false;
-
-    if (this.taskActions.allowedGroupsForAssignment.includes(name)) {
-      this.args.model.username = null;
-      this.args.model.group_name = name;
-    } else {
-      this.args.model.username = name;
-      this.args.model.group_name = null;
-    }
-  }
 }
diff --git a/assets/javascripts/discourse/components/assignment.js b/assets/javascripts/discourse/components/assignment.js
index 950a71b..62304fb 100644
--- a/assets/javascripts/discourse/components/assignment.js
+++ b/assets/javascripts/discourse/components/assignment.js
@@ -28,6 +28,20 @@ export default class Assignment extends Component {
     }
   }
 
+  @action
+  setAssignee([newAssignee]) {
+    this.assigneeName = newAssignee;
+    // this.assigneeError = false; fixme andrei
+
+    if (this.taskActions.allowedGroupsForAssignment.includes(newAssignee)) {
+      this.args.model.username = null;
+      this.args.model.group_name = newAssignee;
+    } else {
+      this.args.model.username = newAssignee;
+      this.args.model.group_name = null;
+    }
+  }
+
   get #assignStatuses() {
     return this.siteSettings.assign_statuses.split("|");
   }