diff --git a/src/components/addTopicDialog.tsx b/src/components/addTopicDialog.tsx
index 0f2325a..b802449 100644
--- a/src/components/addTopicDialog.tsx
+++ b/src/components/addTopicDialog.tsx
@@ -9,7 +9,7 @@ export const DEFAULT_TOPIC_VALUES: TopicFormikValues = {
     advancedValues: {
         acknowledgement: "LEADER",
         trackingEnabled: false,
-        maxMessageSize: 10240,
+        maxMessageSize: 102400,
         retentionTime: 1,
     },
     topic: "",
diff --git a/src/store/topic.ts b/src/store/topic.ts
index 8298ff3..f59f139 100644
--- a/src/store/topic.ts
+++ b/src/store/topic.ts
@@ -19,6 +19,7 @@ import { addMetadata, withoutMetadataFields } from "./metadata";
 import { Store } from "./store";
 import { Subscription } from "./subscription";
 import { ValidationError } from "./topics";
+import { DEFAULT_TOPIC_VALUES } from "../components/addTopicDialog";
 
 export class Topic implements TopicModel {
     static GROUP_NAME_SEPARATOR = ".";
@@ -43,7 +44,7 @@ export class Topic implements TopicModel {
     @observable migratedFromJsonType: boolean;
     @observable schemaIdAwareSerializationEnabled: boolean;
     @observable contentType: ContentType;
-    @observable maxMessageSize = 10240;
+    @observable maxMessageSize = DEFAULT_TOPIC_VALUES.advancedValues.maxMessageSize;
     @observable auth: AuthModel;
     @observable createdAt: number;
     @observable modifiedAt: number;