diff --git a/roles/home/helix/languages.toml b/roles/home/helix/languages.toml
index e3d7484..47ad4b3 100644
--- a/roles/home/helix/languages.toml
+++ b/roles/home/helix/languages.toml
@@ -33,4 +33,4 @@ command = [
 
 [[language]]
 name = "markdown"
-formatter = { command = "mdformat" }
\ No newline at end of file
+formatter = { command = "mdformat", args = ["-"]}
\ No newline at end of file