diff --git a/platypush/plugins/tensorflow/__init__.py b/platypush/plugins/tensorflow/__init__.py
index 83e3a8fe..55d39df7 100644
--- a/platypush/plugins/tensorflow/__init__.py
+++ b/platypush/plugins/tensorflow/__init__.py
@@ -55,7 +55,7 @@ class TensorflowPlugin(Plugin):
     _csv_extensions = ['csv', 'tsv']
     _supported_data_file_extensions = [*_csv_extensions, *_numpy_extensions, *_image_extensions]
 
-    def __init__(self, workdir: str = os.path.join(Config.get('workdir'), 'tensorflow'), **kwargs):
+    def __init__(self, workdir: Optional[str] = None, **kwargs):
         """
         :param workdir: Working directory for TensorFlow, where models will be stored
             (default: PLATYPUSH_WORKDIR/tensorflow).
@@ -63,7 +63,9 @@ class TensorflowPlugin(Plugin):
         super().__init__(**kwargs)
         self.models: Dict[str, Model] = {}
         self._model_locks: Dict[str, threading.RLock()] = {}
-        self._work_dir = os.path.abspath(os.path.expanduser(workdir))
+        self._work_dir = os.path.abspath(os.path.expanduser(workdir)) if workdir else \
+            os.path.join(Config.get('workdir'), 'tensorflow')
+
         self._models_dir = os.path.join(self._work_dir, 'models')
         os.makedirs(self._models_dir, mode=0o755, exist_ok=True)