diff --git a/frigate/data_processing/post/review_descriptions.py b/frigate/data_processing/post/review_descriptions.py
index 7932d56f4..0b12aa1a0 100644
--- a/frigate/data_processing/post/review_descriptions.py
+++ b/frigate/data_processing/post/review_descriptions.py
@@ -311,6 +311,7 @@ class ReviewDescriptionProcessor(PostProcessorApi):
                 start_ts,
                 end_ts,
                 events_with_context,
+                self.config.review.genai.preferred_language,
                 self.config.review.genai.debug_save_thumbnails,
             )
         else:
diff --git a/frigate/genai/__init__.py b/frigate/genai/__init__.py
index 910fc13b9..5e1a74279 100644
--- a/frigate/genai/__init__.py
+++ b/frigate/genai/__init__.py
@@ -178,6 +178,7 @@ Each line represents a detection state, not necessarily unique individuals. Pare
         start_ts: float,
         end_ts: float,
         events: list[dict[str, Any]],
+        preferred_language: str | None,
         debug_save: bool,
     ) -> str | None:
         """Generate a summary of review item descriptions over a period of time."""
@@ -232,6 +233,9 @@ Guidelines:
         for event in events:
             timeline_summary_prompt += f"\n{event}\n"
 
+        if preferred_language:
+            timeline_summary_prompt += f"\nProvide your answer in {preferred_language}"
+
         if debug_save:
             with open(
                 os.path.join(