diff --git a/src/java/org/commoncrawl/util/WarcWriter.java b/src/java/org/commoncrawl/util/WarcWriter.java
index 57f7825354..aa9b20ba3b 100644
--- a/src/java/org/commoncrawl/util/WarcWriter.java
+++ b/src/java/org/commoncrawl/util/WarcWriter.java
@@ -95,6 +95,9 @@ public class WarcWriter {
   protected static final String DETECTED_CHARSET = "Detected-Charset";
   protected static final String DETECTED_LANGUAGE = "Detected-Language";
 
+  public static final String CONTENT_TYPE_RESPONSE = "application/http; msgtype=response";
+  public static final String CONTENT_TYPE_METADATA = "application/warc-fields";
+
   private SimpleDateFormat isoDate;
 
   public static class CompressedOutputStream extends GZIPOutputStream {
@@ -196,7 +199,7 @@ public URI writeWarcinfoRecord(String filename, String hostname,
     byte[] ba = sb.toString().getBytes(StandardCharsets.UTF_8);
     URI recordId = getRecordId();
 
-    writeRecord(WARC_INFO, date, "application/warc-fields", recordId, extra,
+    writeRecord(WARC_INFO, date, CONTENT_TYPE_METADATA, recordId, extra,
         new ByteArrayInputStream(ba), ba.length);
     return recordId;
   }
@@ -263,8 +266,7 @@ public URI writeWarcResponseRecord(final URI targetUri, final String ip,
     extra.put(WARC_IDENTIFIED_PAYLOAD_TYPE, content.getContentType());
 
     URI recordId = getRecordId();
-    writeRecord(WARC_RESPONSE, date, "application/http; msgtype=response",
-        recordId, extra, block);
+    writeRecord(WARC_RESPONSE, date, CONTENT_TYPE_RESPONSE, recordId, extra, block);
     return recordId;
   }
 
@@ -304,7 +306,7 @@ public URI writeWarcRevisitRecord(final URI targetUri, final String ip,
     }
 
     URI recordId = getRecordId();
-    writeRecord(WARC_REVISIT, date, "message/http", recordId, extra, block);
+    writeRecord(WARC_REVISIT, date, CONTENT_TYPE_RESPONSE, recordId, extra, block);
     return recordId;
   }
 
@@ -321,8 +323,7 @@ public URI writeWarcMetadataRecord(final URI targetUri, final Date date,
     }
 
     URI recordId = getRecordId();
-    writeRecord(WARC_METADATA, date, "application/warc-fields", recordId, extra,
-        block);
+    writeRecord(WARC_METADATA, date, CONTENT_TYPE_METADATA, recordId, extra, block);
     return recordId;
   }
 
diff --git a/src/test/org/commoncrawl/util/TestWarcWriter.java b/src/test/org/commoncrawl/util/TestWarcWriter.java
new file mode 100644
index 0000000000..4f7344010d
--- /dev/null
+++ b/src/test/org/commoncrawl/util/TestWarcWriter.java
@@ -0,0 +1,83 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.commoncrawl.util;
+
+import org.apache.nutch.metadata.Metadata;
+import org.apache.nutch.net.protocols.HttpDateFormat;
+import org.apache.nutch.protocol.Content;
+import org.commoncrawl.util.test.SegmenterRecordReader;
+import org.junit.jupiter.api.Test;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.net.URI;
+import java.util.Date;
+import java.util.zip.GZIPInputStream;
+
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+public class TestWarcWriter {
+
+  @Test
+  public void testWriteRevisitRecordContentType() throws Exception {
+    ByteArrayOutputStream bos = new ByteArrayOutputStream();
+    WarcWriter writer = new WarcWriter(bos);
+
+    File segmentDir = new File(System.getProperty("test.build.data", "."), "test-segments/20260224170658-revisit");
+    assertNotNull(segmentDir, "Missing segment resource");
+    String segmentPath = segmentDir.getAbsolutePath();
+    String url = "https://de.wikipedia.org/wiki/Wikipedia:WikiCon_2025";
+
+    Content content = SegmenterRecordReader.retrieveContent(segmentPath, url);
+    URI targetUri = new URI(content.getUrl());
+
+    Metadata metadata = content.getMetadata();
+    String ip = content.getMetadata().get("_ip_");
+    int httpStatusCode = 304;
+
+    Date date = HttpDateFormat.toDate(metadata.get("date"));
+    URI warcinfoId = writer.getRecordId();
+    URI relatedId = writer.getRecordId();
+    String warcProfile = WarcWriter.PROFILE_REVISIT_IDENTICAL_DIGEST;
+    Date refersToDate = new Date(System.currentTimeMillis() - 3600000);
+    String payloadDigest = "sha1:abc123";
+    String blockDigest = "sha1:def456";
+
+    writer.writeWarcRevisitRecord(targetUri, ip, httpStatusCode, date,
+        warcinfoId, relatedId, warcProfile, refersToDate, payloadDigest,
+        blockDigest, null, null, content.getContent(), content);
+
+    byte[] compressed = bos.toByteArray();
+    ByteArrayInputStream bis = new ByteArrayInputStream(compressed);
+    GZIPInputStream gis = new GZIPInputStream(bis);
+    ByteArrayOutputStream decompressed = new ByteArrayOutputStream();
+    gis.transferTo(decompressed);
+
+    String warcOutput = decompressed.toString();
+
+    assertTrue(warcOutput.contains("WARC-Type: revisit"),
+        "WARC record should have WARC-Type: revisit");
+    assertTrue(warcOutput.contains("Content-Type: application/http; msgtype=response"),
+        "WARC revisit record should have Content-Type: application/http; msgtype=response");
+    assertTrue(warcOutput.contains("WARC-Refers-To-Target-URI: https://de.wikipedia.org/wiki/Wikipedia:WikiCon_2025"),
+        "WARC record should have WARC-Refers-To-Target-URI header");
+    assertTrue(warcOutput.contains("WARC-Profile: " + warcProfile),
+        "WARC record should have WARC-Profile header");
+  }
+}
diff --git a/src/test/org/commoncrawl/util/test/SegmenterRecordReader.java b/src/test/org/commoncrawl/util/test/SegmenterRecordReader.java
new file mode 100644
index 0000000000..62057f4e17
--- /dev/null
+++ b/src/test/org/commoncrawl/util/test/SegmenterRecordReader.java
@@ -0,0 +1,52 @@
+package org.commoncrawl.util.test;
+
+import org.apache.hadoop.conf.Configured;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.io.MapFile;
+import org.apache.hadoop.io.Text;
+import org.apache.hadoop.mapreduce.lib.output.MapFileOutputFormat;
+import org.apache.hadoop.util.Tool;
+import org.apache.hadoop.util.ToolRunner;
+import org.apache.nutch.protocol.Content;
+import org.apache.nutch.util.NutchConfiguration;
+
+import java.util.Arrays;
+
+public class SegmenterRecordReader extends Configured implements Tool {
+
+    private Content content;
+
+    @Override
+    public int run(String[] args) throws Exception {
+        return run(args[0], args[1]);
+    }
+
+    private int run(String path, String url) throws Exception {
+        Path p = new Path(path, Content.DIR_NAME);
+        Text k = new Text(url);
+        MapFile.Reader[] readers = MapFileOutputFormat.getReaders(p, getConf());
+        Content c = new Content();
+        readers[0].get(k, c);
+        assert (c.getUrl().equals(url));
+        assert (c.getContent() == null || c.getContent().length == 0);
+        this.content = c;
+
+        return 0;
+    }
+
+    public static Content retrieveContent(String segmentPath, String url) throws Exception {
+        SegmenterRecordReader reader = new SegmenterRecordReader();
+        ToolRunner.run(NutchConfiguration.create(),
+              reader, Arrays.asList(segmentPath, url).toArray(new String[0]));
+
+        return reader.getContent();
+    }
+
+    public Content getContent() {
+        return content;
+    }
+
+    public void setContent(Content content) {
+        this.content = content;
+    }
+}
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