diff --git a/api/src/test/java/org/apache/iceberg/util/TestDateTimeUtil.java b/api/src/test/java/org/apache/iceberg/util/TestDateTimeUtil.java
index 02ee8252d5f0..c660124ba7b1 100644
--- a/api/src/test/java/org/apache/iceberg/util/TestDateTimeUtil.java
+++ b/api/src/test/java/org/apache/iceberg/util/TestDateTimeUtil.java
@@ -26,6 +26,12 @@
 import org.junit.jupiter.api.Test;
 
 public class TestDateTimeUtil {
+  @Test
+  public void microsToMillis() {
+    assertThat(DateTimeUtil.microsToMillis(1510871468000001L)).isEqualTo(1510871468000L);
+    assertThat(DateTimeUtil.microsToMillis(-1510871468000001L)).isEqualTo(-1510871468001L);
+  }
+
   @Test
   public void nanosToMicros() {
     assertThat(DateTimeUtil.nanosToMicros(1510871468000001001L)).isEqualTo(1510871468000001L);