diff --git a/config/schema/search_api.server.schema.yml b/config/schema/search_api.server.schema.yml
index 5ff1a07..86c223a 100644
--- a/config/schema/search_api.server.schema.yml
+++ b/config/schema/search_api.server.schema.yml
@@ -21,7 +21,7 @@ search_api.server.*:
       type: string
       label: 'Backend Plugin ID'
     backend_config:
-      type: search_api.backend.plugin.[%parent.backend]
+      type: plugin.plugin_configuration.search_api_backend.[%parent.backend]
     langcode:
       type: string
       label: 'Language code'
diff --git a/search_api_db/config/schema/search_api_db.backend.schema.yml b/search_api_db/config/schema/search_api_db.backend.schema.yml
index baf857c..b64c0a1 100644
--- a/search_api_db/config/schema/search_api_db.backend.schema.yml
+++ b/search_api_db/config/schema/search_api_db.backend.schema.yml
@@ -1,4 +1,4 @@
-search_api.backend.plugin.search_api_db:
+plugin.plugin_configuration.search_api_backend.search_api_db:
   type: mapping
   label: 'Search API DB settings'
   mapping:
diff --git a/tests/search_api_test_backend/config/schema/search_api_test_backend.schema.yml b/tests/search_api_test_backend/config/schema/search_api_test_backend.schema.yml
index 561b9fe..8988c3c 100644
--- a/tests/search_api_test_backend/config/schema/search_api_test_backend.schema.yml
+++ b/tests/search_api_test_backend/config/schema/search_api_test_backend.schema.yml
@@ -1,4 +1,4 @@
-search_api.backend.plugin.search_api_test_backend:
+plugin.plugin_configuration.search_api_backend.search_api_test_backend:
   type: mapping
   label: Test backend
   mapping: