diff --git a/lisp/progmodes/c-ts-mode.el b/lisp/progmodes/c-ts-mode.el
index 821e8f5fd96..ff2ff63fd82 100644
--- a/lisp/progmodes/c-ts-mode.el
+++ b/lisp/progmodes/c-ts-mode.el
@@ -563,7 +563,8 @@ the subtrees."
                             "type_definition"
                             "struct_specifier"
                             "enum_specifier"
-                            "union_specifier")))
+                            "union_specifier"
+                            "class_specifier")))
 
   ;; Nodes like struct/enum/union_specifier can appear in
   ;; function_definitions, so we need to find the top-level node.