diff --git a/.vala-lint.conf b/.vala-lint.conf
index 1446348..2d63fd6 100644
--- a/.vala-lint.conf
+++ b/.vala-lint.conf
@@ -3,7 +3,7 @@ block-opening-brace-space-before=error
 double-semicolon=error
 double-spaces=error
 ellipsis=off
-line-length=warn
+line-length=error
 naming-convention=error
 no-space=error
 note=warn