diff --git a/CHANGES.rst b/CHANGES.rst
index 09060b6..cabd860 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,6 +1,11 @@
 Changelog
 =========
 
+2.1.2 (2024-08-09)
+------------------
+
+- Fix missing default in PLONE_SITE_PREFIX_PATH [jensens]
+
 2.1.1 (2024-08-02)
 ------------------
 
diff --git a/pyproject.toml b/pyproject.toml
index 2818681..06ff4d2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "collective.elastic.ingest"
-version = "2.1.1"
+version = "2.1.2"
 description = "Ingestion service queue runner between Plone RestAPI and ElasticSearch or OpenSearch."
 keywords = ["elasticsearch", "opensearch", "plone", "celery", "search", "indexer"]
 readme = "README.rst"
diff --git a/src/collective/elastic/ingest/plone.py b/src/collective/elastic/ingest/plone.py
index 9f015aa..a885677 100644
--- a/src/collective/elastic/ingest/plone.py
+++ b/src/collective/elastic/ingest/plone.py
@@ -38,12 +38,12 @@ def _full_url(path):
         return "/".join([plone_base_url, path])
 
     if prefix_handling == "strip":
-        prefix_path = str(os.environ.get("PLONE_SITE_PREFIX_PATH")).strip("/")
+        prefix_path = str(os.environ.get("PLONE_SITE_PREFIX_PATH", "Plone")).strip("/")
         path_parts = path.split("/")[len(prefix_path.split("/")) :]
         return "/".join([plone_base_url] + path_parts)
 
     raise ValueError(
-        f"PLONE_SITE_PREFIX_METHOD must be one of keep, strip or add, not {prefix_handling}"
+        f"PLONE_SITE_PREFIX_METHOD must be either 'keep' or 'strip', got '{prefix_handling}'"
     )
 
 
@@ -51,7 +51,7 @@ def _schema_url():
     """return the url to fetch the schema from"""
     url = [str(os.environ.get("PLONE_SERVICE"))]
     if str(os.environ.get("PLONE_SITE_PREFIX_METHOD", "keep")).strip() == "keep":
-        url.append(str(os.environ.get("PLONE_SITE_PREFIX_PATH")))
+        url.append(str(os.environ.get("PLONE_SITE_PREFIX_PATH", "Plone")))
     url.append("@cesp-schema")
     return "/".join(url)