diff --git a/localstack_snapshot/snapshots/prototype.py b/localstack_snapshot/snapshots/prototype.py
index a32132d..74d85e3 100644
--- a/localstack_snapshot/snapshots/prototype.py
+++ b/localstack_snapshot/snapshots/prototype.py
@@ -217,7 +217,7 @@ def match(self, key: str, obj: dict) -> None:
 
         if not self.update and (not self.recorded_state or self.recorded_state.get(key) is None):
             raise Exception(
-                f"No state for {self.scope_key} recorded. Please (re-)generate the snapshot for this test."
+                f"No state for {key} recorded. Please (re-)generate the snapshot for this test."
             )
 
         # TODO: we should return something meaningful here