diff --git a/compiler/rustc_hir/src/hir.rs b/compiler/rustc_hir/src/hir.rs
index 1c16dc02667..a0b2e0a8861 100644
--- a/compiler/rustc_hir/src/hir.rs
+++ b/compiler/rustc_hir/src/hir.rs
@@ -2015,6 +2015,7 @@ pub struct TypeBinding<'hir> {
     pub hir_id: HirId,
     #[stable_hasher(project(name))]
     pub ident: Ident,
+    pub gen_args: &'hir GenericArgs<'hir>,
     pub kind: TypeBindingKind<'hir>,
     pub span: Span,
 }
diff --git a/compiler/rustc_hir/src/intravisit.rs b/compiler/rustc_hir/src/intravisit.rs
index 6c1bee2335a..f8b3f0d9b6e 100644
--- a/compiler/rustc_hir/src/intravisit.rs
+++ b/compiler/rustc_hir/src/intravisit.rs
@@ -781,6 +781,7 @@ pub fn walk_assoc_type_binding<'v, V: Visitor<'v>>(
 ) {
     visitor.visit_id(type_binding.hir_id);
     visitor.visit_ident(type_binding.ident);
+    visitor.visit_generic_args(type_binding.span, type_binding.gen_args);
     match type_binding.kind {
         TypeBindingKind::Equality { ref ty } => {
             visitor.visit_ty(ty);