diff --git a/catalog-rest-service/src/main/resources/ui/src/pages/topic-details/index.tsx b/catalog-rest-service/src/main/resources/ui/src/pages/topic-details/index.tsx
index 388021b2c1d..65d3c110e63 100644
--- a/catalog-rest-service/src/main/resources/ui/src/pages/topic-details/index.tsx
+++ b/catalog-rest-service/src/main/resources/ui/src/pages/topic-details/index.tsx
@@ -306,7 +306,7 @@ const MyTopicDetailPage = () => {
       { key: 'Replication Factor', value: replicationFactor },
       { key: 'Retention Size', value: bytesToSize(retentionSize) },
       { key: 'CleanUp Policies', value: cleanupPolicies.join(',') },
-      { key: 'Max Message Size', value: maximumMessageSize },
+      { key: 'Max Message Size', value: bytesToSize(maximumMessageSize) },
     ];
   };