diff --git a/ui/app/models/agent.js b/ui/app/models/agent.js
index 4f902c670cb..5b66ed356a4 100644
--- a/ui/app/models/agent.js
+++ b/ui/app/models/agent.js
@@ -29,7 +29,7 @@ export default class Agent extends Model {
     return this.get('system.leader.rpcAddr') === this.rpcAddr;
   }
 
-  @computed('tags.[]')
+  @computed('tags.build')
   get version() {
     return this.tags?.build || '';
   }