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-rw-r--r--library/core/src/panic/location.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/library/core/src/panic/location.rs b/library/core/src/panic/location.rs
index 6ef7d5a22a3..e81dc5eb530 100644
--- a/library/core/src/panic/location.rs
+++ b/library/core/src/panic/location.rs
@@ -183,7 +183,7 @@ impl<'a> Location<'a> {
     #[must_use]
     #[stable(feature = "panic_hooks", since = "1.10.0")]
     #[rustc_const_stable(feature = "const_location_fields", since = "1.79.0")]
-    pub const fn file(&self) -> &str {
+    pub const fn file(&self) -> &'a str {
         // SAFETY: The filename is valid.
         unsafe { self.filename.as_ref() }
     }