diff --git a/src/test/java/edu/harvard/iq/dataverse/export/DDIExporterTest.java b/src/test/java/edu/harvard/iq/dataverse/export/DDIExporterTest.java
index 8ce823eb600..c9446d7c414 100644
--- a/src/test/java/edu/harvard/iq/dataverse/export/DDIExporterTest.java
+++ b/src/test/java/edu/harvard/iq/dataverse/export/DDIExporterTest.java
@@ -1,6 +1,10 @@
 package edu.harvard.iq.dataverse.export;
 
 import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonDeserializationContext;
+import com.google.gson.JsonDeserializer;
+import com.google.gson.JsonElement;
 import edu.harvard.iq.dataverse.ControlledVocabularyValue;
 import edu.harvard.iq.dataverse.DatasetFieldType;
 import edu.harvard.iq.dataverse.DatasetFieldType.FieldType;
@@ -17,10 +21,15 @@
 import java.io.File;
 import java.io.IOException;
 import java.io.StringReader;
+import java.lang.reflect.Type;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
+import java.time.Instant;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.ZoneId;
 import java.util.Arrays;
 import java.util.HashSet;
 import java.util.Set;
@@ -42,7 +51,10 @@ public class DDIExporterTest {
     private static final SettingsServiceBean settingsService = Mockito.mock(SettingsServiceBean.class);
     private static final LicenseServiceBean licenseService = Mockito.mock(LicenseServiceBean.class);
     private static final MockDatasetFieldSvc datasetFieldTypeSvc = new MockDatasetFieldSvc();
-    private static final Gson gson = new Gson();
+    private static final Gson gson = new GsonBuilder().registerTypeAdapter(LocalDate.class, (JsonDeserializer<LocalDateTime>) (JsonElement json, Type type, JsonDeserializationContext jsonDeserializationContext) -> {
+        Instant instant = Instant.ofEpochMilli(json.getAsJsonPrimitive().getAsLong());
+        return LocalDateTime.ofInstant(instant, ZoneId.systemDefault());
+    }).create();
     
     /*
      * Setup and teardown mocks for BrandingUtil for atomicity.