diff --git a/src/test/ui/stability-attribute/generics-default-stability.rs b/src/test/ui/stability-attribute/generics-default-stability.rs
index b8d6ad631022..b699ff5aae43 100644
--- a/src/test/ui/stability-attribute/generics-default-stability.rs
+++ b/src/test/ui/stability-attribute/generics-default-stability.rs
@@ -1,3 +1,4 @@
+// ignore-tidy-linelength
 // aux-build:unstable_generic_param.rs
 
 extern crate unstable_generic_param;