diff --git a/compiler/rustc_ast_lowering/src/item.rs b/compiler/rustc_ast_lowering/src/item.rs
index c419ac988c96..3b2e8581c004 100644
--- a/compiler/rustc_ast_lowering/src/item.rs
+++ b/compiler/rustc_ast_lowering/src/item.rs
@@ -1720,7 +1720,6 @@ pub(super) fn lower_generic_bound_predicate(
 
         let bounds = self.lower_param_bounds(bounds, itctx);
 
-        let ident = self.lower_ident(ident);
         let param_span = ident.span;
 
         // Reconstruct the span of the entire predicate from the individual generic bounds.
@@ -1739,6 +1738,7 @@ pub(super) fn lower_generic_bound_predicate(
                 let def_id = self.local_def_id(id).to_def_id();
                 let hir_id = self.next_id();
                 let res = Res::Def(DefKind::TyParam, def_id);
+                let ident = self.lower_ident(ident);
                 let ty_path = self.arena.alloc(hir::Path {
                     span: param_span,
                     res,