diff --git a/modules/languages/siren-typescript.el b/modules/languages/siren-typescript.el
index 708ce9c..2764f50 100644
--- a/modules/languages/siren-typescript.el
+++ b/modules/languages/siren-typescript.el
@@ -36,6 +36,7 @@
                   indent-level width
                   tab-width width))
 
+    (lsp-format-buffer-on-save-mode t)
     (lsp-deferred)
     (flycheck-mode t)))