diff --git a/libs/ibm/langchain_ibm/llms.py b/libs/ibm/langchain_ibm/llms.py
index 51779f2..355a65a 100644
--- a/libs/ibm/langchain_ibm/llms.py
+++ b/libs/ibm/langchain_ibm/llms.py
@@ -141,15 +141,19 @@ def validate_environment(cls, values: Dict) -> Any:
         """Validate that credentials and python package exists in environment."""
         if isinstance(values.get("watsonx_model"), (ModelInference, Model)):
             values["model_id"] = getattr(values["watsonx_model"], "model_id")
-            values["deployment_id"] = getattr(
-                values["watsonx_model"], "deployment_id", ""
+            values["deployment_id"] = (
+                getattr(values["watsonx_model"], "deployment_id", "") or ""
             )
-            values["project_id"] = getattr(
-                getattr(values["watsonx_model"], "_client"),
-                "default_project_id",
+            values["project_id"] = (
+                getattr(
+                    getattr(values["watsonx_model"], "_client"),
+                    "default_project_id",
+                )
+                or ""
             )
-            values["space_id"] = getattr(
-                getattr(values["watsonx_model"], "_client"), "default_space_id"
+            values["space_id"] = (
+                getattr(getattr(values["watsonx_model"], "_client"), "default_space_id")
+                or ""
             )
             values["params"] = getattr(values["watsonx_model"], "params")