diff --git a/lisp/progmodes/typescript-ts-mode.el b/lisp/progmodes/typescript-ts-mode.el
index 4e039abd236..a2b16d1beea 100644
--- a/lisp/progmodes/typescript-ts-mode.el
+++ b/lisp/progmodes/typescript-ts-mode.el
@@ -428,7 +428,7 @@ This mode is intended to be inherited by concrete major modes."
                 '((comment declaration)
                   (keyword string escape-sequence)
                   (constant expression identifier number pattern property)
-                  (function bracket delimiter)))
+                  (operator function bracket delimiter)))
     (setq-local syntax-propertize-function #'typescript-ts--syntax-propertize)
 
     (treesit-major-mode-setup)))