diff --git a/src/zbmath_rest2oai/run_get_all_de_documents.py b/src/zbmath_rest2oai/run_get_all_de_documents.py
index a2cd9a2..753fda3 100644
--- a/src/zbmath_rest2oai/run_get_all_de_documents.py
+++ b/src/zbmath_rest2oai/run_get_all_de_documents.py
@@ -3,6 +3,7 @@
 get_all(
     prefix='oai:zbmath.org:',
     url='https://api.zbmath.org/v1/document/_all?start_after={0}&results_per_request=500',
+    oai_url='https://oai-input.staging.mardi4nfdi.org/oai-backend/item',
     ingest_format='zbmath_rest_api',
     state_property='document'
 )