diff --git a/error-handling-avro/src/main/avro/DeadLetter.avsc b/error-handling-avro/src/main/avro/DeadLetter.avsc
index 790d313..7304756 100644
--- a/error-handling-avro/src/main/avro/DeadLetter.avsc
+++ b/error-handling-avro/src/main/avro/DeadLetter.avsc
@@ -39,7 +39,7 @@
       "type": "string"
     },
     {
-      "name": "timestamp",
+      "name": "input_timestamp",
       "type": [
         "null",
         {
diff --git a/error-handling-avro/src/main/java/com/bakdata/kafka/AvroDeadLetterConverter.java b/error-handling-avro/src/main/java/com/bakdata/kafka/AvroDeadLetterConverter.java
index 24b4012..f916b65 100644
--- a/error-handling-avro/src/main/java/com/bakdata/kafka/AvroDeadLetterConverter.java
+++ b/error-handling-avro/src/main/java/com/bakdata/kafka/AvroDeadLetterConverter.java
@@ -24,7 +24,6 @@
 
 package com.bakdata.kafka;
 
-import java.time.Instant;
 import org.apache.kafka.streams.kstream.ValueTransformerSupplier;
 import org.apache.kafka.streams.processor.api.FixedKeyProcessorSupplier;
 
@@ -46,7 +45,7 @@ public DeadLetter convert(final DeadLetterDescription deadLetterDescription) {
                 .setTopic(deadLetterDescription.getTopic())
                 .setPartition(deadLetterDescription.getPartition())
                 .setOffset(deadLetterDescription.getOffset())
-                .setTimestamp(deadLetterDescription.getTimestamp())
+                .setInputTimestamp(deadLetterDescription.getInputTimestamp())
                 .build();
     }
 
diff --git a/error-handling-avro/src/test/java/com/bakdata/kafka/AvroDeadLetterProcessorTest.java b/error-handling-avro/src/test/java/com/bakdata/kafka/AvroDeadLetterProcessorTest.java
index e554de9..56b8d45 100644
--- a/error-handling-avro/src/test/java/com/bakdata/kafka/AvroDeadLetterProcessorTest.java
+++ b/error-handling-avro/src/test/java/com/bakdata/kafka/AvroDeadLetterProcessorTest.java
@@ -126,14 +126,14 @@ void shouldConvertAndSerializeAvroDeadLetter() {
                 deadLetter -> {
                     this.softly.assertThat(deadLetter.getInputValue()).hasValue("foo");
                     this.softly.assertThat(deadLetter.getOffset()).hasValue(0L);
-                    this.softly.assertThat(deadLetter.getTimestamp()).hasValue(Instant.ofEpochMilli(100));
+                    this.softly.assertThat(deadLetter.getInputTimestamp()).hasValue(Instant.ofEpochMilli(100));
                 }
         );
         this.softly.assertThat(errors).extracting(ProducerRecord::value).element(1).satisfies(
                 deadLetter -> {
                     this.softly.assertThat(deadLetter.getInputValue()).hasValue("bar");
                     this.softly.assertThat(deadLetter.getOffset()).hasValue(1L);
-                    this.softly.assertThat(deadLetter.getTimestamp()).hasValue(Instant.ofEpochMilli(200));
+                    this.softly.assertThat(deadLetter.getInputTimestamp()).hasValue(Instant.ofEpochMilli(200));
                 }
         );
 
diff --git a/error-handling-core/src/main/java/com/bakdata/kafka/DeadLetterDescription.java b/error-handling-core/src/main/java/com/bakdata/kafka/DeadLetterDescription.java
index 68711e3..a32b293 100644
--- a/error-handling-core/src/main/java/com/bakdata/kafka/DeadLetterDescription.java
+++ b/error-handling-core/src/main/java/com/bakdata/kafka/DeadLetterDescription.java
@@ -56,5 +56,5 @@ public static class Cause {
     String topic;
     Integer partition;
     Long offset;
-    Instant timestamp;
+    Instant inputTimestamp;
 }
diff --git a/error-handling-core/src/main/java/com/bakdata/kafka/DeadLetterProcessor.java b/error-handling-core/src/main/java/com/bakdata/kafka/DeadLetterProcessor.java
index 88a151f..dfaf72a 100644
--- a/error-handling-core/src/main/java/com/bakdata/kafka/DeadLetterProcessor.java
+++ b/error-handling-core/src/main/java/com/bakdata/kafka/DeadLetterProcessor.java
@@ -100,7 +100,7 @@ public void process(final FixedKeyRecord<K, ProcessingError<V>> inputRecord) {
                 .topic(metadata.map(RecordMetadata::topic).orElse(null))
                 .partition(metadata.map(RecordMetadata::partition).orElse(null))
                 .offset(metadata.map(RecordMetadata::offset).orElse(null))
-                .timestamp(Instant.ofEpochMilli(inputRecord.timestamp()))
+                .inputTimestamp(Instant.ofEpochMilli(inputRecord.timestamp()))
                 .build();
 
         final FixedKeyRecord<K, T> record = inputRecord
diff --git a/error-handling-proto/src/main/java/com/bakdata/kafka/ProtoDeadLetterConverter.java b/error-handling-proto/src/main/java/com/bakdata/kafka/ProtoDeadLetterConverter.java
index 0c89822..225a6b2 100644
--- a/error-handling-proto/src/main/java/com/bakdata/kafka/ProtoDeadLetterConverter.java
+++ b/error-handling-proto/src/main/java/com/bakdata/kafka/ProtoDeadLetterConverter.java
@@ -29,7 +29,6 @@
 import com.google.protobuf.Int64Value;
 import com.google.protobuf.StringValue;
 import com.google.protobuf.Timestamp;
-import java.time.Instant;
 import org.apache.kafka.streams.kstream.ValueTransformerSupplier;
 import org.apache.kafka.streams.processor.api.FixedKeyProcessorSupplier;
 
@@ -68,12 +67,12 @@ public ProtoDeadLetter convert(final DeadLetterDescription deadLetterDescription
             builder.setOffset(Int64Value.of(deadLetterDescription.getOffset()));
         }
 
-        if (deadLetterDescription.getTimestamp() != null) {
+        if (deadLetterDescription.getInputTimestamp() != null) {
             final Timestamp timestamp = Timestamp.newBuilder()
-                    .setSeconds(deadLetterDescription.getTimestamp().getEpochSecond())
-                    .setNanos(deadLetterDescription.getTimestamp().getNano())
+                    .setSeconds(deadLetterDescription.getInputTimestamp().getEpochSecond())
+                    .setNanos(deadLetterDescription.getInputTimestamp().getNano())
                     .build();
-            builder.setTimestamp(timestamp);
+            builder.setInputTimestamp(timestamp);
         }
 
         return builder.build();
diff --git a/error-handling-proto/src/main/proto/bakdata/kafka/proto/v1/deadletter.proto b/error-handling-proto/src/main/proto/bakdata/kafka/proto/v1/deadletter.proto
index 29698b1..857a0e2 100644
--- a/error-handling-proto/src/main/proto/bakdata/kafka/proto/v1/deadletter.proto
+++ b/error-handling-proto/src/main/proto/bakdata/kafka/proto/v1/deadletter.proto
@@ -20,5 +20,5 @@ message ProtoDeadLetter {
     google.protobuf.StringValue topic = 4;
     google.protobuf.Int32Value partition = 5;
     google.protobuf.Int64Value offset = 6;
-    google.protobuf.Timestamp timestamp = 7;
+    google.protobuf.Timestamp input_timestamp = 7;
 }
diff --git a/error-handling-proto/src/test/java/com/bakdata/kafka/ProtoDeadLetterProcessorTest.java b/error-handling-proto/src/test/java/com/bakdata/kafka/ProtoDeadLetterProcessorTest.java
index ae16259..d6a0293 100644
--- a/error-handling-proto/src/test/java/com/bakdata/kafka/ProtoDeadLetterProcessorTest.java
+++ b/error-handling-proto/src/test/java/com/bakdata/kafka/ProtoDeadLetterProcessorTest.java
@@ -160,7 +160,7 @@ void shouldConvertAndSerializeProtoDeadLetter() {
                     this.softly.assertThat(deadLetter.getInputValue()).extracting(StringValue::getValue)
                             .isEqualTo("foo");
                     this.softly.assertThat(deadLetter.getOffset()).extracting(Int64Value::getValue).isEqualTo(0L);
-                    this.softly.assertThat(timestampToInstant(deadLetter.getTimestamp()))
+                    this.softly.assertThat(timestampToInstant(deadLetter.getInputTimestamp()))
                             .isEqualTo(Instant.ofEpochMilli(100));
                 }
         );
@@ -169,7 +169,7 @@ void shouldConvertAndSerializeProtoDeadLetter() {
                     this.softly.assertThat(deadLetter.getInputValue()).extracting(StringValue::getValue)
                             .isEqualTo("bar");
                     this.softly.assertThat(deadLetter.getOffset()).extracting(Int64Value::getValue).isEqualTo(1L);
-                    this.softly.assertThat(timestampToInstant(deadLetter.getTimestamp()))
+                    this.softly.assertThat(timestampToInstant(deadLetter.getInputTimestamp()))
                             .isEqualTo(Instant.ofEpochMilli(200));
                 }
         );