diff --git a/src/pacroller/main.py b/src/pacroller/main.py
index 08cce9b..9c15b48 100644
--- a/src/pacroller/main.py
+++ b/src/pacroller/main.py
@@ -56,7 +56,7 @@ def sync() -> None:
             logger.exception(f'sync failed with {e.returncode=} {e.output=}')
             raise
     except subprocess.TimeoutExpired as e:
-        logger.warning('database download timeout {e.timeout=} {e.output=}')
+        logger.warning(f'database download timeout {e.timeout=} {e.output=}')
         if Path(PACMAN_DB_LCK).exists():
             logger.warning(f'automatically removing {PACMAN_DB_LCK}')
             Path(PACMAN_DB_LCK).unlink()