diff --git a/bal_tools/pools_gauges.py b/bal_tools/pools_gauges.py
index 924ea38..0eb71f7 100644
--- a/bal_tools/pools_gauges.py
+++ b/bal_tools/pools_gauges.py
@@ -301,6 +301,7 @@ def build_core_pools(
             "hyperevm": {},
             "optimism": {},
             "plasma": {},
+            "xlayer": {},
         }
 
         # summarise extended core pools dict into core_pools dict