diff --git a/src/TensorFlowNET.Core/Data/IDatasetV2.cs b/src/TensorFlowNET.Core/Data/IDatasetV2.cs
index 77bc9169..0f38d531 100644
--- a/src/TensorFlowNET.Core/Data/IDatasetV2.cs
+++ b/src/TensorFlowNET.Core/Data/IDatasetV2.cs
@@ -57,7 +57,7 @@ namespace Tensorflow
 
         IDatasetV2 map(Func<Tensor, Tensor> map_func,
             bool use_inter_op_parallelism = true,
-            bool preserve_cardinality = false,
+            bool preserve_cardinality = true,
             bool use_legacy_function = false);
 
         IDatasetV2 map(Func<Tensor, (Tensor, Tensor), (Tensor, Tensor)> map_func,
diff --git a/src/TensorFlowNET.Core/Data/MapDataset.cs b/src/TensorFlowNET.Core/Data/MapDataset.cs
index c593322b..09513f94 100644
--- a/src/TensorFlowNET.Core/Data/MapDataset.cs
+++ b/src/TensorFlowNET.Core/Data/MapDataset.cs
@@ -25,7 +25,9 @@ namespace Tensorflow
             variant_tensor = ops.map_dataset(input_dataset.variant_tensor,
                 func,
                 output_types,
-                output_shapes);
+                output_shapes,
+                use_inter_op_parallelism: use_inter_op_parallelism,
+                preserve_cardinality: preserve_cardinality);
         }
     }
 }
diff --git a/test/TensorFlowNET.UnitTest/Dataset/DatasetTest.cs b/test/TensorFlowNET.UnitTest/Dataset/DatasetTest.cs
index 417dac09..746fea84 100644
--- a/test/TensorFlowNET.UnitTest/Dataset/DatasetTest.cs
+++ b/test/TensorFlowNET.UnitTest/Dataset/DatasetTest.cs
@@ -143,7 +143,7 @@ namespace TensorFlowNET.UnitTest.Dataset
             }
         }
 
-        [TestMethod, Ignore]
+        [TestMethod]
         public void Cardinality()
         {
             var dataset = tf.data.Dataset.range(10);