diff --git a/dspace-oai/src/main/java/org/dspace/xoai/util/DateUtils.java b/dspace-oai/src/main/java/org/dspace/xoai/util/DateUtils.java
index 6de7993774f1..4645b5be16d1 100644
--- a/dspace-oai/src/main/java/org/dspace/xoai/util/DateUtils.java
+++ b/dspace-oai/src/main/java/org/dspace/xoai/util/DateUtils.java
@@ -10,6 +10,7 @@
 import java.time.Instant;
 import java.time.format.DateTimeFormatter;
 import java.time.format.DateTimeParseException;
+import java.time.temporal.ChronoUnit;
 
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
@@ -34,12 +35,8 @@ private DateUtils() { }
      * @return UTC date string
      */
     public static String format(Instant date) {
-        // NOTE: OAI-PMH REQUIRES that all dates be expressed in UTC format
-        // as YYYY-MM-DDThh:mm:ssZ  For more details, see
-        // http://www.openarchives.org/OAI/openarchivesprotocol.html#DatestampsResponses
-
-        // toString returns the correct format
-        return date.toString();
+        Instant truncated = date.truncatedTo(ChronoUnit.SECONDS);
+        return DateTimeFormatter.ISO_INSTANT.format(truncated);
     }
 
     /**
diff --git a/dspace/config/crosswalks/oai/xoai.xml b/dspace/config/crosswalks/oai/xoai.xml
index 7140c029c7f3..f0cf7e0358da 100644
--- a/dspace/config/crosswalks/oai/xoai.xml
+++ b/dspace/config/crosswalks/oai/xoai.xml
@@ -87,6 +87,7 @@
             <!-- Openaire filter -->
             <Filter ref="openaire4Filter"/>
             <!-- Metadata Formats -->
+            <Format ref="oaidc"/>
             <Format ref="oaiopenaire"/>
             <Description>
                 This contexts complies with Openaire Guidelines for Literature Repositories v4.0.