diff --git a/buffer/src/main/java/io/netty/buffer/ReadOnlyUnsafeDirectByteBuf.java b/buffer/src/main/java/io/netty/buffer/ReadOnlyUnsafeDirectByteBuf.java
index 16320aae31..316760eca7 100644
--- a/buffer/src/main/java/io/netty/buffer/ReadOnlyUnsafeDirectByteBuf.java
+++ b/buffer/src/main/java/io/netty/buffer/ReadOnlyUnsafeDirectByteBuf.java
@@ -125,6 +125,16 @@ final class ReadOnlyUnsafeDirectByteBuf extends ReadOnlyByteBufferBuf {
         return copy;
     }
 
+    @Override
+    public boolean hasMemoryAddress() {
+        return true;
+    }
+
+    @Override
+    public long memoryAddress() {
+        return memoryAddress;
+    }
+
     private long addr(int index) {
         return memoryAddress + index;
     }
diff --git a/buffer/src/test/java/io/netty/buffer/ReadOnlyDirectByteBufferBufTest.java b/buffer/src/test/java/io/netty/buffer/ReadOnlyDirectByteBufferBufTest.java
index e1b727872b..cbee31c448 100644
--- a/buffer/src/test/java/io/netty/buffer/ReadOnlyDirectByteBufferBufTest.java
+++ b/buffer/src/test/java/io/netty/buffer/ReadOnlyDirectByteBufferBufTest.java
@@ -274,4 +274,20 @@ public class ReadOnlyDirectByteBufferBufTest {
             file.delete();
         }
     }
+
+    @Test
+    public void testMemoryAddress() {
+        ByteBuf buf = buffer(allocate(8).asReadOnlyBuffer());
+        try {
+            Assert.assertFalse(buf.hasMemoryAddress());
+            try {
+                buf.memoryAddress();
+                Assert.fail();
+            } catch (UnsupportedOperationException expected) {
+                // expected
+            }
+        } finally {
+            buf.release();
+        }
+    }
 }
diff --git a/buffer/src/test/java/io/netty/buffer/ReadOnlyUnsafeDirectByteBufferBufTest.java b/buffer/src/test/java/io/netty/buffer/ReadOnlyUnsafeDirectByteBufferBufTest.java
index c9100d12e2..efab33f469 100644
--- a/buffer/src/test/java/io/netty/buffer/ReadOnlyUnsafeDirectByteBufferBufTest.java
+++ b/buffer/src/test/java/io/netty/buffer/ReadOnlyUnsafeDirectByteBufferBufTest.java
@@ -16,7 +16,9 @@
 package io.netty.buffer;
 
 import io.netty.util.internal.PlatformDependent;
+import org.junit.Assert;
 import org.junit.BeforeClass;
+import org.junit.Test;
 
 import java.nio.ByteBuffer;
 
@@ -36,4 +38,16 @@ public class ReadOnlyUnsafeDirectByteBufferBufTest extends ReadOnlyDirectByteBuf
     protected ByteBuf buffer(ByteBuffer buffer) {
         return new ReadOnlyUnsafeDirectByteBuf(UnpooledByteBufAllocator.DEFAULT, buffer);
     }
+
+    @Test
+    @Override
+    public void testMemoryAddress() {
+        ByteBuf buf = buffer(allocate(8).asReadOnlyBuffer());
+        try {
+            Assert.assertTrue(buf.hasMemoryAddress());
+            buf.memoryAddress();
+        } finally {
+            buf.release();
+        }
+    }
 }