diff --git a/arkindex/dataimport/admin.py b/arkindex/dataimport/admin.py
index 183e9976c63c2db41c2a89fdfe19bb1d7f80b8f8..877cdae7f01f6c2279389ca210bb87cfb4f43271 100644
--- a/arkindex/dataimport/admin.py
+++ b/arkindex/dataimport/admin.py
@@ -110,6 +110,7 @@ class WorkerVersionAdmin(admin.ModelAdmin):
     list_filter = ('worker', )
     field = ('id', 'worker', 'revision', 'configuration')
     readonly_fields = ('id', )
+    raw_id_fields = ('docker_image', 'revision')
 
 
 class WorkerConfigurationAdmin(admin.ModelAdmin):