diff --git a/.emacs.d/include/misc.el b/.emacs.d/include/misc.el
index 0445b92..3fd347a 100644
--- a/.emacs.d/include/misc.el
+++ b/.emacs.d/include/misc.el
@@ -348,5 +348,9 @@
         (windmove-left)
         (windmove-left)))))
 
+;; rjsx
+
+(setq auto-mode-alist (cons '("\\.tsx$" . rjsx-mode) auto-mode-alist))
+
 (provide 'misc)
 ;;; misc.el ends here
diff --git a/.emacs.d/init.el b/.emacs.d/init.el
index 769c7ce..5c6b44e 100644
--- a/.emacs.d/init.el
+++ b/.emacs.d/init.el
@@ -156,6 +156,7 @@
 (add-hook 'go-mode-hook         #'lsp)
 (add-hook 'tuareg-mode-hook     #'lsp)
 (add-hook 'haskell-mode-hook    #'lsp)
+(add-hook 'rjsx-mode-hook       #'lsp)
 (add-hook 'java-mode-hook       #'eglot-java-mode)
 
 (add-hook 'emacs-lisp-mode-hook  #'paredit-mode)