diff --git a/pyglossary/plugins/zimfile.py b/pyglossary/plugins/zimfile.py
index 9c549c4e6..47b0f890d 100644
--- a/pyglossary/plugins/zimfile.py
+++ b/pyglossary/plugins/zimfile.py
@@ -218,8 +218,8 @@ def __iter__(self) -> Iterator[EntryType | None]:  # noqa: PLR0912
 
 		log.info(f"ZIM Entry Count: {entryCount}")
 
-		if not fileNameTooLong:
-			log.error(f"Files with name too long: {len(fileNameTooLong)}")
+		if fileNameTooLong:
+			log.warning(f"Files with name too long: {len(fileNameTooLong)}")
 
 		if emptyContentCount > 0:
 			log.info(f"Empty Content Count: {emptyContentCount}")