diff --git a/src/main/java/io/weaviate/client6/v1/api/cluster/ShardReplica.java b/src/main/java/io/weaviate/client6/v1/api/cluster/ShardReplica.java
index 4cd6304e1..9ea79e7c4 100644
--- a/src/main/java/io/weaviate/client6/v1/api/cluster/ShardReplica.java
+++ b/src/main/java/io/weaviate/client6/v1/api/cluster/ShardReplica.java
@@ -2,5 +2,9 @@
 
 import java.util.List;
 
-public record ShardReplica(String shardName, List<String> replicas) {
+import com.google.gson.annotations.SerializedName;
+
+public record ShardReplica(
+    @SerializedName("shard") String shardName,
+    @SerializedName("replicas") List<String> replicas) {
 }
diff --git a/src/test/java/io/weaviate/client6/v1/internal/json/JSONTest.java b/src/test/java/io/weaviate/client6/v1/internal/json/JSONTest.java
index e7c0d6203..02ce6d4ba 100644
--- a/src/test/java/io/weaviate/client6/v1/internal/json/JSONTest.java
+++ b/src/test/java/io/weaviate/client6/v1/internal/json/JSONTest.java
@@ -15,6 +15,8 @@
 import com.jparams.junit4.data.DataMethod;
 
 import io.weaviate.client6.v1.api.cluster.NodeVerbosity;
+import io.weaviate.client6.v1.api.cluster.ShardReplica;
+import io.weaviate.client6.v1.api.cluster.ShardingState;
 import io.weaviate.client6.v1.api.collections.CollectionConfig;
 import io.weaviate.client6.v1.api.collections.Encoding;
 import io.weaviate.client6.v1.api.collections.Generative;
@@ -2269,6 +2271,22 @@ public static Object[][] testCases() {
                 }
                   """
         },
+        // ShardingState: the server names the shard "shard", not "shardName"
+        {
+            ShardingState.class,
+            new ShardingState("Things", List.of(new ShardReplica("s1", List.of("node1", "node2")))),
+            """
+                {
+                  "collection": "Things",
+                  "shards": [
+                    {
+                      "shard": "s1",
+                      "replicas": ["node1", "node2"]
+                    }
+                  ]
+                }
+                  """
+        },
     };
   }