diff --git a/core/camel-base/src/generated/java/org/apache/camel/converter/NIOConverterLoader.java b/core/camel-base/src/generated/java/org/apache/camel/converter/NIOConverterLoader.java
index 4806ace488aeb..70e4f16dc90c6 100644
--- a/core/camel-base/src/generated/java/org/apache/camel/converter/NIOConverterLoader.java
+++ b/core/camel-base/src/generated/java/org/apache/camel/converter/NIOConverterLoader.java
@@ -33,6 +33,8 @@ private void registerConverters(TypeConverterRegistry registry) {
             (type, exchange, value) -> org.apache.camel.converter.NIOConverter.toString((java.nio.ByteBuffer) value, exchange));
         addTypeConverter(registry, java.nio.ByteBuffer.class, byte[].class, false,
             (type, exchange, value) -> org.apache.camel.converter.NIOConverter.toByteBuffer((byte[]) value));
+        addTypeConverter(registry, java.nio.ByteBuffer.class, java.io.ByteArrayOutputStream.class, false,
+            (type, exchange, value) -> org.apache.camel.converter.NIOConverter.toByteBuffer((java.io.ByteArrayOutputStream) value));
         addTypeConverter(registry, java.nio.ByteBuffer.class, java.io.File.class, false,
             (type, exchange, value) -> org.apache.camel.converter.NIOConverter.toByteBuffer((java.io.File) value));
         addTypeConverter(registry, java.nio.ByteBuffer.class, java.lang.Double.class, false,
diff --git a/core/camel-base/src/main/java/org/apache/camel/converter/NIOConverter.java b/core/camel-base/src/main/java/org/apache/camel/converter/NIOConverter.java
index aabc83ddcb0ea..c3279f94a9672 100644
--- a/core/camel-base/src/main/java/org/apache/camel/converter/NIOConverter.java
+++ b/core/camel-base/src/main/java/org/apache/camel/converter/NIOConverter.java
@@ -16,6 +16,7 @@
  */
 package org.apache.camel.converter;
 
+import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.IOException;
@@ -63,6 +64,11 @@ public static ByteBuffer toByteBuffer(byte[] data) {
         return ByteBuffer.wrap(data);
     }
 
+    @Converter
+    public static ByteBuffer toByteBuffer(ByteArrayOutputStream baos) {
+        return ByteBuffer.wrap(baos.toByteArray());
+    }
+
     @Converter
     public static ByteBuffer toByteBuffer(File file) throws IOException {
         InputStream in = null;
diff --git a/core/camel-core/src/test/java/org/apache/camel/converter/NIOConverterTest.java b/core/camel-core/src/test/java/org/apache/camel/converter/NIOConverterTest.java
index 988b9442d4e08..907b76b8f5e5d 100644
--- a/core/camel-core/src/test/java/org/apache/camel/converter/NIOConverterTest.java
+++ b/core/camel-core/src/test/java/org/apache/camel/converter/NIOConverterTest.java
@@ -16,6 +16,7 @@
  */
 package org.apache.camel.converter;
 
+import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.InputStream;
 import java.nio.ByteBuffer;
@@ -79,6 +80,13 @@ public void testToByteBuffer() {
         assertNotNull(bb);
     }
 
+    @Test
+    public void testToByteBufferByteArrayOutputStream() {
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        baos.write(72);
+        assertEquals(72, NIOConverter.toByteBuffer(baos).get());
+    }
+
     @Test
     public void testToByteBufferString() {
         ByteBuffer bb = NIOConverter.toByteBuffer("Hello", null);