diff --git a/pybtc/connector.py b/pybtc/connector.py
index 4e896da..db2891c 100644
--- a/pybtc/connector.py
+++ b/pybtc/connector.py
@@ -664,6 +664,7 @@ class Connector:
             processed_height = self.last_block_height
 
             while height < max_height:
+                self.log.critical(height)
                 if self.block_preload._store_size < self.block_preload_cache_limit * 0.9 and \
                    (not self.block_preload._store or self.last_block_height >= next(iter(self.block_preload._store))):
                     try: