diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 0680655..5a8c7dd 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -8,4 +8,5 @@
 - Add function to format a list human-readable
 - Add function to assert that an object is an instance of a specific type
 - Add python project documentation generator class
-- Add python namespaces classes
\ No newline at end of file
+- Add python namespaces classes
+- Add type checking for the `name` attribute at the constructor of `core.python.namespaces.PythonNamespace`
\ No newline at end of file
diff --git a/src/jcloud_docsgen/core/python/namespaces.py b/src/jcloud_docsgen/core/python/namespaces.py
index a8524fb..250c926 100644
--- a/src/jcloud_docsgen/core/python/namespaces.py
+++ b/src/jcloud_docsgen/core/python/namespaces.py
@@ -13,6 +13,7 @@
 # limitations under the License.
 
 from ...exceptions import InvalidNamespaceError, NamespaceNotFoundError
+from ...utils import assert_that_is_instance
 
 __all__ = [
     'PythonNamespace',
@@ -28,6 +29,8 @@ class PythonNamespace:
     :type name: str
     '''
     def __init__(self, name: str) -> None:
+        assert_that_is_instance(name, str)
+
         self.name = name
 
 class PythonPackageNamespace(PythonNamespace):