diff --git a/compiler/rustc_middle/src/ty/util.rs b/compiler/rustc_middle/src/ty/util.rs
index f5e973f85da12..6d9d0f232d6bf 100644
--- a/compiler/rustc_middle/src/ty/util.rs
+++ b/compiler/rustc_middle/src/ty/util.rs
@@ -1130,7 +1130,7 @@ impl<'tcx> TypeFolder<TyCtxt<'tcx>> for WeakAliasTypeExpander<'tcx> {
     }
 
     fn fold_const(&mut self, ct: ty::Const<'tcx>) -> ty::Const<'tcx> {
-        if !ct.ty().has_type_flags(ty::TypeFlags::HAS_TY_WEAK) {
+        if !ct.has_type_flags(ty::TypeFlags::HAS_TY_WEAK) {
             return ct;
         }
         ct.super_fold_with(self)