diff --git a/scenario/mocking.py b/scenario/mocking.py
index 38d95b28..df074bc1 100644
--- a/scenario/mocking.py
+++ b/scenario/mocking.py
@@ -632,7 +632,7 @@ def resource_get(self, resource_name: str) -> str:
             )
 
     def credential_get(self) -> CloudSpec:
-        if not self._cloud_spec:
+        if not self._state.cloud_spec:
             raise ModelError(
                 "ERROR cloud spec is empty, initialise it with `scenario.State(cloud_spec=...)`",
             )