diff --git a/lib/Alchemy/Phrasea/SearchEngine/Elastic/Indexer/RecordIndexer.php b/lib/Alchemy/Phrasea/SearchEngine/Elastic/Indexer/RecordIndexer.php
index b39be201c2..c641107f64 100644
--- a/lib/Alchemy/Phrasea/SearchEngine/Elastic/Indexer/RecordIndexer.php
+++ b/lib/Alchemy/Phrasea/SearchEngine/Elastic/Indexer/RecordIndexer.php
@@ -188,7 +188,7 @@ class RecordIndexer
             ->add('sha256', 'string')->notIndexed()
             // Mandatory metadata
             ->add('original_name', 'string')->notIndexed()
-            ->add('mime', 'string')->notIndexed()
+            ->add('mime', 'string')->notAnalyzed() // Indexed for Kibana only
             ->add('type', 'string')->notAnalyzed()
             ->add('record_type', 'string')->notAnalyzed() // record or story
             // Dates