diff --git a/clippy_lints/src/methods/unnecessary_map_or.rs b/clippy_lints/src/methods/unnecessary_map_or.rs
index bcdd0b0851c5..6a8d23b58acf 100644
--- a/clippy_lints/src/methods/unnecessary_map_or.rs
+++ b/clippy_lints/src/methods/unnecessary_map_or.rs
@@ -124,7 +124,7 @@ pub(super) fn check<'a>(
         cx,
         UNNECESSARY_MAP_OR,
         expr.span,
-        format!("this `map_or` is redundant"),
+        "this `map_or` is redundant",
         format!("use {method} instead"),
         sugg,
         Applicability::MachineApplicable,