diff --git a/tools/generate_doc_confpy.py b/tools/generate_doc_confpy.py
index a7f5d31..a711740 100644
--- a/tools/generate_doc_confpy.py
+++ b/tools/generate_doc_confpy.py
@@ -248,10 +248,14 @@ def process_repositories(args, service):
             context["html_options"] = dict(
                 logo_url="https://docs.sc.otc.t-systems.com",
             )
+            context["otcdocs_search_environment"] = "hc_swiss"
+            context["otcdocs_search_index"] = "search_index_swiss"
         elif (args.target_environment == "public"):
             context["html_options"] = dict(
                 logo_url="https://docs.otc.t-systems.com",
             )
+            context["otcdocs_search_environment"] = "hc_de"
+            context["otcdocs_search_index"] = "search_index_de"
         elif (args.target_environment == "internal"
               and args.cloud_environment == "swiss"):
             context["html_options"] = dict(
@@ -259,12 +263,16 @@ def process_repositories(args, service):
                 site_name="Internal Documentation Portal",
                 logo_url="https://docs-swiss-int.otc-service.com",
             )
+            context["otcdocs_search_environment"] = "hc_swiss"
+            context["otcdocs_search_index"] = "search_index_swiss"
         elif args.target_environment == "internal":
             context["html_options"] = dict(
                 disable_search=True,
                 site_name="Internal Documentation Portal",
                 logo_url="https://docs-int.otc-service.com",
             )
+            context["otcdocs_search_environment"] = "hc_de"
+            context["otcdocs_search_index"] = "search_index_de"
         context["environment"] = args.target_environment
         sbv_title = (service["service_title"] + "\n"
                      + ('=' * len(service["service_title"])))