diff --git a/Kitodo/src/main/java/org/kitodo/production/forms/createprocess/ProcessFieldedMetadata.java b/Kitodo/src/main/java/org/kitodo/production/forms/createprocess/ProcessFieldedMetadata.java
index 85c818c0551..448323bcf0b 100644
--- a/Kitodo/src/main/java/org/kitodo/production/forms/createprocess/ProcessFieldedMetadata.java
+++ b/Kitodo/src/main/java/org/kitodo/production/forms/createprocess/ProcessFieldedMetadata.java
@@ -567,6 +567,7 @@ public void preserve() throws InvalidMetadataValueException, NoSuchMetadataField
         }
         if (copy) {
             MetadataGroup metadataGroup = new MetadataGroup();
+            metadataGroup.setKey(metadataKey);
             Optional<Domain> optionalDomain = metadataView.getDomain();
             optionalDomain.ifPresent(domain -> metadataGroup.setDomain(DOMAIN_TO_MDSEC.get(domain)));
             metadataGroup.setGroup(metadata);