diff --git a/core/src/test/java/org/apache/iceberg/avro/TestInternalAvro.java b/core/src/test/java/org/apache/iceberg/avro/TestInternalAvro.java
index 773309a73d4f..b48109737f7c 100644
--- a/core/src/test/java/org/apache/iceberg/avro/TestInternalAvro.java
+++ b/core/src/test/java/org/apache/iceberg/avro/TestInternalAvro.java
@@ -33,8 +33,7 @@
 public class TestInternalAvro extends AvroDataTest {
   @Override
   protected void writeAndValidate(Schema schema) throws IOException {
-    List<StructLike> expected =
-        RandomInternalData.generate(schema, 100, System.currentTimeMillis());
+    List<StructLike> expected = RandomInternalData.generate(schema, 100, 42L);
 
     OutputFile outputFile = new InMemoryOutputFile();