diff --git a/kafka-ui-api/src/main/java/com/provectus/kafka/ui/service/TopicsService.java b/kafka-ui-api/src/main/java/com/provectus/kafka/ui/service/TopicsService.java
index d115f99c31..5a14e8c9af 100644
--- a/kafka-ui-api/src/main/java/com/provectus/kafka/ui/service/TopicsService.java
+++ b/kafka-ui-api/src/main/java/com/provectus/kafka/ui/service/TopicsService.java
@@ -455,6 +455,8 @@ public class TopicsService {
           return Comparator.comparing(t -> t.getReplicas() - t.getInSyncReplicas());
         case REPLICATION_FACTOR:
           return Comparator.comparing(InternalTopic::getReplicationFactor);
+        case SIZE:
+          return Comparator.comparing(InternalTopic::getSegmentSize);
         case NAME:
         default:
           return defaultComparator;
diff --git a/kafka-ui-contract/src/main/resources/swagger/kafka-ui-api.yaml b/kafka-ui-contract/src/main/resources/swagger/kafka-ui-api.yaml
index a4559c6a02..b804ee332f 100644
--- a/kafka-ui-contract/src/main/resources/swagger/kafka-ui-api.yaml
+++ b/kafka-ui-contract/src/main/resources/swagger/kafka-ui-api.yaml
@@ -1742,6 +1742,7 @@ components:
         - OUT_OF_SYNC_REPLICAS
         - TOTAL_PARTITIONS
         - REPLICATION_FACTOR
+        - SIZE
 
     SortOrder:
       type: string