diff --git a/fractal/__init__.py b/fractal/__init__.py
index c110d61..0d82b82 100644
--- a/fractal/__init__.py
+++ b/fractal/__init__.py
@@ -1,6 +1,6 @@
 """Fractal is a scaffolding toolkit for building SOLID logic for your Python applications."""
 
-__version__ = "4.1.0"
+__version__ = "4.1.1"
 
 from abc import ABC
 
diff --git a/fractal/contrib/fastapi/routers/default.py b/fractal/contrib/fastapi/routers/default.py
index 639687c..dad2b5b 100644
--- a/fractal/contrib/fastapi/routers/default.py
+++ b/fractal/contrib/fastapi/routers/default.py
@@ -265,7 +265,7 @@ def get_entity(
         payload: TokenPayloadRoles = Depends(
             get_payload_roles(
                 fractal,
-                endpoint=router_service_class().entities_endpoint,
+                endpoint=router_service_class().entity_endpoint,
                 method="get",
             )
         ),
@@ -288,7 +288,7 @@ def update_entity(
         payload: TokenPayloadRoles = Depends(
             get_payload_roles(
                 fractal,
-                endpoint=router_service_class().entities_endpoint,
+                endpoint=router_service_class().entity_endpoint,
                 method="put",
             )
         ),
@@ -311,7 +311,7 @@ def delete_entity(
         payload: TokenPayloadRoles = Depends(
             get_payload_roles(
                 fractal,
-                endpoint=router_service_class().entities_endpoint,
+                endpoint=router_service_class().entity_endpoint,
                 method="delete",
             )
         ),
diff --git a/pyproject.toml b/pyproject.toml
index 43ff95a..496eeef 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "fractal-toolkit"
-version = "4.1.0"
+version = "4.1.1"
 description = "Fractal is a scaffolding toolkit for building SOLID logic for your Python applications."
 authors = ["Douwe van der Meij <douwe@karibu-online.nl>"]