diff --git a/metadata_mapper/mappers/oai/islandora/archipelago_mapper.py b/metadata_mapper/mappers/oai/islandora/archipelago_mapper.py
index 1d4a59cb..f4677098 100644
--- a/metadata_mapper/mappers/oai/islandora/archipelago_mapper.py
+++ b/metadata_mapper/mappers/oai/islandora/archipelago_mapper.py
@@ -4,8 +4,8 @@ class ArchipelagoRecord(IslandoraRecord):
 
     def UCLDC_map(self):
         return {
-            'isShownAt': self.source_metadata.get('identifier.url'),
-            'isShownBy': self.source_metadata.get('identifier.thumbnail')
+            'isShownAt': self.source_metadata.get('identifier.url')[0],
+            'isShownBy': self.source_metadata.get('identifier.thumbnail')[0]
         }
 
 class ArchipelagoVernacular(IslandoraVernacular):