diff --git a/arkindex/documents/admin.py b/arkindex/documents/admin.py
index e39d7a9c9c866082d537bffd7676d14cd20e75b0..df6745468090c9d8d8e6ff7cad93a2d1de2f3c81 100644
--- a/arkindex/documents/admin.py
+++ b/arkindex/documents/admin.py
@@ -37,7 +37,7 @@ class CorpusAdmin(admin.ModelAdmin):
 class ClassificationInline(admin.TabularInline):
     model = Classification
     readonly_fields = ('confidence', 'high_confidence', )
-    raw_id_fields = ('worker_version', )
+    raw_id_fields = ('worker_version', 'moderator', 'ml_class')
 
 
 class AllowedMetaDataAdmin(admin.ModelAdmin):