diff --git a/CHANGELOG.md b/CHANGELOG.md
index 80720fe6bb318b321c3a5456637263c3c6eccdf2..ad3d0ff6003abe2ba4ce6c3743c08250918f9bf4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 # CHANGELOG
 
 ## Version 2.9.1
+ - `Changed` Ressortie des métadonnées du dictionnaire interne en SEDA 1 dans la balise OtherMetadata
  - `Fixed` Mauvais format de date enregistré en seda 2
 
 ## Version 2.9
diff --git a/bundle/seda/Controller/abstractMessage.php b/bundle/seda/Controller/abstractMessage.php
index 505ae7a5a8ba24af8072409c4409c4800fe1ed5a..b48021c974f7a6becc37ca3919810b21514b4d97 100644
--- a/bundle/seda/Controller/abstractMessage.php
+++ b/bundle/seda/Controller/abstractMessage.php
@@ -603,13 +603,16 @@ abstract class abstractMessage
 
             case 'seda1':
             case 'archivesPubliques/content':
-            default:
                 foreach ((array) $rmArchive->descriptionObject as $content) {
                     if (isset($rmArchive->classificationRuleCode) && !empty($rmArchive->classificationRuleCode)) {
                         $content->classificationRule = $this->sendClassificationRule($rmArchive);
                     }
                     $this->sendContentDescriptionOrDocument($message, $archive, $content, $rmArchive, $withAttachment);
                 }
+                break;
+
+            default:
+                $this->sendContentDescriptionOrDocument($message, $archive, $rmArchive->descriptionObject, $rmArchive, $withAttachment);
         }
     }
 
@@ -827,9 +830,13 @@ abstract class abstractMessage
 
                     case 'archivesPubliques/content':
                     case 'seda':
-                    default:
                         $namespaceURI = 'fr:gouv:culture:archivesdefrance:seda:v1.0';
                         $nodeName = 'seda:data';
+                        break;
+
+                    default:
+                        $namespaceURI = 'fr:maarch:maarchrm';
+                        $nodeName = 'maarchrm:data';
                 }
 
                 $contentDescription->otherMetadata = \laabs::newInstance('seda/OtherMetadata', $namespaceURI, $nodeName);