diff --git a/virl2_client/models/node.py b/virl2_client/models/node.py
index e456438..dd6c0ea 100644
--- a/virl2_client/models/node.py
+++ b/virl2_client/models/node.py
@@ -437,12 +437,15 @@ def _set_configuration(self, value: str | list | dict | None) -> None:
         """
         if self._configuration is None:
             self._configuration = []
-        if value is None or isinstance(value, str):
+        if isinstance(value, str):
             if self._configuration:
                 self._configuration[0]["content"] = value
             else:
                 self._configuration.append({"name": "Main", "content": value})
             return
+        if not value:
+            self._configuration = []
+            return
         new_configs = value if isinstance(value, list) else [value]
         new_configs_by_name = {
             new_config["name"]: new_config for new_config in new_configs