diff --git a/crates/hir_ty/src/traits/chalk.rs b/crates/hir_ty/src/traits/chalk.rs
index 08c2c9a3e3d4..17c83b6a46e4 100644
--- a/crates/hir_ty/src/traits/chalk.rs
+++ b/crates/hir_ty/src/traits/chalk.rs
@@ -246,7 +246,8 @@ impl<'a> chalk_solve::RustIrDatabase<Interner> for ChalkContext<'a> {
     }
     // FIXME: lookup names
     fn adt_name(&self, struct_id: chalk_ir::AdtId<Interner>) -> String {
-        format!("Adt_{:?}", struct_id.0).replace("TypeCtorId(", "").replace(")", "")
+        let datum = self.db.struct_datum(self.krate, struct_id);
+        format!("{:?}", datum.name(&Interner))
     }
     fn assoc_type_name(&self, assoc_ty_id: chalk_ir::AssocTypeId<Interner>) -> String {
         format!("Assoc_{}", assoc_ty_id.0)