diff --git a/lisp/progmodes/rust-ts-mode.el b/lisp/progmodes/rust-ts-mode.el
index e52ea3b125a..508a53d9e32 100644
--- a/lisp/progmodes/rust-ts-mode.el
+++ b/lisp/progmodes/rust-ts-mode.el
@@ -517,6 +517,19 @@ rust-ts-mode
     (setq-local syntax-propertize-function
                 #'rust-ts-mode--syntax-propertize)
 
+    ;; Injected languages
+    ;; TODO: add json?
+    (setq-local treesit-range-settings
+                (treesit-range-rules
+                 :embed 'rust
+                 :host 'rust
+                 :local t
+                 '((macro_invocation
+                    (token_tree) @capture))))
+
+    ;; TODO: set this to a useful function
+    (setq-local treesit-language-at-point-function (lambda (_pos) 'rust))
+
     ;; Comments.
     (c-ts-common-comment-setup)