diff --git a/src/main/java/com/github/dockerjava/api/model/Ports.java b/src/main/java/com/github/dockerjava/api/model/Ports.java
index d7c8a3245..0c2df94ad 100644
--- a/src/main/java/com/github/dockerjava/api/model/Ports.java
+++ b/src/main/java/com/github/dockerjava/api/model/Ports.java
@@ -75,7 +75,11 @@ public void bind(ExposedPort exposedPort, Binding binding) {
             Binding[] bindings = ports.get(exposedPort);
             ports.put(exposedPort, (Binding[]) ArrayUtils.add(bindings, binding));
         } else {
-            ports.put(exposedPort, new Binding[]{binding});
+            if (binding == null) {
+                ports.put(exposedPort, null);
+            } else {
+                ports.put(exposedPort, new Binding[]{binding});
+            }
         }
     }
 
@@ -282,12 +286,16 @@ public Ports deserialize(JsonParser jsonParser, DeserializationContext deseriali
 
                 Map.Entry<String, JsonNode> portNode = it.next();
                 JsonNode bindingsArray = portNode.getValue();
-                for (int i = 0; i < bindingsArray.size(); i++) {
-                    JsonNode bindingNode = bindingsArray.get(i);
-                    if (!bindingNode.equals(NullNode.getInstance())) {
-                        String hostIp = bindingNode.get("HostIp").textValue();
-                        int hostPort = bindingNode.get("HostPort").asInt();
-                        out.bind(ExposedPort.parse(portNode.getKey()), new Binding(hostIp, hostPort));
+                if (bindingsArray.equals(NullNode.getInstance())) {
+                    out.bind(ExposedPort.parse(portNode.getKey()), null);
+                } else {
+                    for (int i = 0; i < bindingsArray.size(); i++) {
+                        JsonNode bindingNode = bindingsArray.get(i);
+                        if (!bindingNode.equals(NullNode.getInstance())) {
+                            String hostIp = bindingNode.get("HostIp").textValue();
+                            int hostPort = bindingNode.get("HostPort").asInt();
+                            out.bind(ExposedPort.parse(portNode.getKey()), new Binding(hostIp, hostPort));
+                        }
                     }
                 }
             }
@@ -304,14 +312,18 @@ public void serialize(Ports portBindings, JsonGenerator jsonGen,
             jsonGen.writeStartObject();
             for(Entry<ExposedPort, Binding[]> entry : portBindings.getBindings().entrySet()){
                 jsonGen.writeFieldName(entry.getKey().toString());
-                jsonGen.writeStartArray();
-                for (Binding binding : entry.getValue()) {
-                    jsonGen.writeStartObject();
-                    jsonGen.writeStringField("HostIp", binding.getHostIp() == null ? "" : binding.getHostIp());
-                    jsonGen.writeStringField("HostPort", binding.getHostPort() == null ? "" : binding.getHostPort().toString());
-                    jsonGen.writeEndObject();
+                if (entry.getValue() != null) {
+                    jsonGen.writeStartArray();
+                    for (Binding binding : entry.getValue()) {
+                        jsonGen.writeStartObject();
+                        jsonGen.writeStringField("HostIp", binding.getHostIp() == null ? "" : binding.getHostIp());
+                        jsonGen.writeStringField("HostPort", binding.getHostPort() == null ? "" : binding.getHostPort().toString());
+                        jsonGen.writeEndObject();
+                    }
+                    jsonGen.writeEndArray();
+                } else {
+                    jsonGen.writeNull();
                 }
-                jsonGen.writeEndArray();
             }
             jsonGen.writeEndObject();
         }
diff --git a/src/test/java/com/github/dockerjava/api/model/Ports_SerializingTest.java b/src/test/java/com/github/dockerjava/api/model/Ports_SerializingTest.java
index 259310698..9190eefd2 100644
--- a/src/test/java/com/github/dockerjava/api/model/Ports_SerializingTest.java
+++ b/src/test/java/com/github/dockerjava/api/model/Ports_SerializingTest.java
@@ -13,6 +13,7 @@ public class Ports_SerializingTest {
 	private final ObjectMapper objectMapper = new ObjectMapper();
 	private final String jsonWithDoubleBindingForOnePort = 
 			"{\"80/tcp\":[{\"HostIp\":\"10.0.0.1\",\"HostPort\":\"80\"},{\"HostIp\":\"10.0.0.2\",\"HostPort\":\"80\"}]}";
+	private final String jsonWithNullBindingForOnePort = "{\"80/tcp\":null}";
 
 	@Test
 	public void deserializingPortWithMultipleBindings() throws Exception {
@@ -39,4 +40,20 @@ public void serializingEmptyBinding() throws Exception {
 		Ports ports = new Ports(ExposedPort.tcp(80), new Binding(null, null));
 		assertEquals(objectMapper.writeValueAsString(ports), "{\"80/tcp\":[{\"HostIp\":\"\",\"HostPort\":\"\"}]}");
 	}
+
+	@Test
+	public void deserializingPortWithNullBindings() throws Exception {
+		Ports ports = objectMapper.readValue(jsonWithNullBindingForOnePort, Ports.class);
+		Map<ExposedPort, Binding[]> map = ports.getBindings();
+		assertEquals(map.size(), 1);
+
+		assertEquals(map.get(ExposedPort.tcp(80)), null);
+	}
+
+	@Test
+	public void serializingWithNullBindings() throws Exception {
+		Ports ports = new Ports();
+		ports.bind(ExposedPort.tcp(80), null);
+		assertEquals(objectMapper.writeValueAsString(ports), jsonWithNullBindingForOnePort);
+	}
 }
diff --git a/src/test/java/com/github/dockerjava/api/model/Ports_addBindingsTest.java b/src/test/java/com/github/dockerjava/api/model/Ports_addBindingsTest.java
index 20e47df9a..18c7f0f09 100644
--- a/src/test/java/com/github/dockerjava/api/model/Ports_addBindingsTest.java
+++ b/src/test/java/com/github/dockerjava/api/model/Ports_addBindingsTest.java
@@ -1,6 +1,7 @@
 package com.github.dockerjava.api.model;
 
 import static org.testng.Assert.assertEquals;
+import static org.testng.Assert.assertTrue;
 
 import java.util.Map;
 
@@ -54,4 +55,12 @@ public void addTwoBindingsForSameExposedPort() {
 		assertEquals(bindings.get(TCP_80), new Binding[] { BINDING_8080, BINDING_9090 });
 	}
 
+	@Test
+	public void addNullBindings() {
+		ports.add(new PortBinding(null, TCP_80));
+		Map<ExposedPort, Binding[]> bindings = ports.getBindings();
+		// one key with two values
+		assertEquals(bindings.size(), 1);
+		assertEquals(bindings.get(TCP_80), null);
+	}
 }