diff --git a/crates/ruff_python_parser/src/parser/expression.rs b/crates/ruff_python_parser/src/parser/expression.rs
index 52788dd981..dda172ee21 100644
--- a/crates/ruff_python_parser/src/parser/expression.rs
+++ b/crates/ruff_python_parser/src/parser/expression.rs
@@ -478,7 +478,7 @@ impl<'src> Parser<'src> {
                 unreachable!();
             };
             return ast::Identifier {
-                id: name.to_string(),
+                id: name.into_string(),
                 range,
             };
         }