diff --git a/utils/misc/src/main/java/org/onlab/packet/Data.java b/utils/misc/src/main/java/org/onlab/packet/Data.java
index 2d405ca..6f15afd 100644
--- a/utils/misc/src/main/java/org/onlab/packet/Data.java
+++ b/utils/misc/src/main/java/org/onlab/packet/Data.java
@@ -117,7 +117,7 @@
 
             Data dataObject = new Data();
 
-            dataObject.data = Arrays.copyOfRange(data, offset, data.length);
+            dataObject.data = Arrays.copyOfRange(data, offset, offset + length);
 
             return dataObject;
         };
diff --git a/utils/misc/src/test/java/org/onlab/packet/DataTest.java b/utils/misc/src/test/java/org/onlab/packet/DataTest.java
new file mode 100644
index 0000000..d934f7a
--- /dev/null
+++ b/utils/misc/src/test/java/org/onlab/packet/DataTest.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2019-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onlab.packet;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Unit tests for the Data class.
+ */
+public class DataTest {
+
+    private static final int DATA_BUFFER_SIZE = 10;
+    private static final int DATA_LENGTH = 5;
+    private static byte[] dataBuffer = new byte[DATA_BUFFER_SIZE];
+
+    private Deserializer<Data> deserializer;
+
+    @Before
+    public void setUp() {
+        deserializer = Data.deserializer();
+    }
+
+    @Test
+    public void testDeserializePartOfBuffer() throws Exception {
+        Data data = deserializer.deserialize(dataBuffer, 0, DATA_LENGTH);
+
+        assertEquals(DATA_LENGTH, data.getData().length);
+    }
+
+}