diff --git a/frigate/genai/__init__.py b/frigate/genai/__init__.py
index 20bf1d6fb..e26b50757 100644
--- a/frigate/genai/__init__.py
+++ b/frigate/genai/__init__.py
@@ -201,9 +201,10 @@ Each line represents a detection state, not necessarily unique individuals. The
                 except json.JSONDecodeError as je:
                     logger.error("Failed to parse review description JSON: %s", je)
                     return None
-                # observations is required on the model; fill an empty default
+                # observations and confidence are required on the model; fill an empty default
                 # if the response omitted it so attribute access stays safe.
                 raw.setdefault("observations", [])
+                raw.setdefault("confidence", 0.0)
                 metadata = ReviewMetadata.model_construct(**raw)
             except Exception as e:
                 logger.error(