diff --git a/ai_processor/main.py b/ai_processor/main.py
index 7ab8ea7..be7ea87 100644
--- a/ai_processor/main.py
+++ b/ai_processor/main.py
@@ -66,7 +66,10 @@ def main():
         logger.info(f"Total processed: {stats['total_processed']}")
         logger.info(f"Total failed: {stats['total_failed']}")
         logger.info(f"Duration: {stats['duration']:.2f} seconds")
-        logger.info(f"Cache stats: {stats['cache_stats']}")
+        if 'cache_stats' in stats:
+            logger.info(f"Cache stats: {stats['cache_stats']}")
+        else:
+            logger.info("No cache stats available")
         
         # Print metrics summary
         metrics_summary = metrics_collector.get_metrics_summary()