diff --git a/.config/helix/languages.toml b/.config/helix/languages.toml
index a74d635..38704a2 100644
--- a/.config/helix/languages.toml
+++ b/.config/helix/languages.toml
@@ -1,7 +1,9 @@
+use-grammars = { only = ["svelte"] }
+
 [[language]]
 name = "javascript"
 auto-format = true
-formatter = { command = 'prettier', args = ["--parser=javascript"] }
+formatter = { command = 'prettier', args = ["--parser=typescript"] }
 
 [[language]]
 name = "typescript"