diff --git a/chain_service/controllers/chain.py b/chain_service/controllers/chain.py
index a7e5d17..9e87638 100644
--- a/chain_service/controllers/chain.py
+++ b/chain_service/controllers/chain.py
@@ -32,7 +32,7 @@ async def chain_list_controller(chain_repository: ChainRepositoryDependency):
         return chains
 
     except Exception:
-        logger.exception(f"Error during chain list")
+        logger.exception("Error during chain list")
         return HTTPException(status_code=500, detail="Error during chain list")