diff --git a/crates/lua_fmt/src/lib.rs b/crates/lua_fmt/src/lib.rs
index e86df92..dab4fc4 100644
--- a/crates/lua_fmt/src/lib.rs
+++ b/crates/lua_fmt/src/lib.rs
@@ -6,7 +6,9 @@ use stylua_lib::{
 use wasm_bindgen::prelude::wasm_bindgen;
 
 #[wasm_bindgen]
-pub fn format(input: &str, config: Option<Config>) -> Result<String, String> {
+pub fn format(input: &str, filename: &str, config: Option<Config>) -> Result<String, String> {
+    let _ = filename;
+
     let config = config
         .map(|x| serde_wasm_bindgen::from_value::<LuaConfig>(x.clone()))
         .transpose()
diff --git a/crates/lua_fmt/test_bun/bun.spec.ts b/crates/lua_fmt/test_bun/bun.spec.ts
index 091eb49..1396b76 100644
--- a/crates/lua_fmt/test_bun/bun.spec.ts
+++ b/crates/lua_fmt/test_bun/bun.spec.ts
@@ -44,7 +44,7 @@ for await (const input_path of walk(test_root)) {
 	]);
 
 	test(test_name, () => {
-		const actual = format(input);
+        const actual = format(input, input_path);
 		expect(actual).toBe(expected);
 	});
 }
diff --git a/crates/lua_fmt/test_deno/deno.test.ts b/crates/lua_fmt/test_deno/deno.test.ts
index c0ee224..0303444 100644
--- a/crates/lua_fmt/test_deno/deno.test.ts
+++ b/crates/lua_fmt/test_deno/deno.test.ts
@@ -21,14 +21,14 @@ for await (const entry of walk(test_root, {
 	const input = Deno.readTextFileSync(entry.path);
 
 	if (update) {
-		const actual = format(input);
+		const actual = format(input, entry.path);
 		Deno.writeTextFileSync(entry.path + ".snap", actual);
 	} else {
 		const test_name = relative(test_root.pathname, entry.path);
 		const expected = Deno.readTextFileSync(entry.path + ".snap");
 
 		Deno.test(test_name, () => {
-			const actual = format(input);
+			const actual = format(input, entry.path);
 			assertEquals(actual, expected);
 		});
 	}
diff --git a/crates/lua_fmt/test_node/test-node.mjs b/crates/lua_fmt/test_node/test-node.mjs
index 9d0e86d..aea917a 100644
--- a/crates/lua_fmt/test_node/test-node.mjs
+++ b/crates/lua_fmt/test_node/test-node.mjs
@@ -36,7 +36,7 @@ for await (const dirent of await fs.opendir(test_root, { recursive: true })) {
 	]);
 
 	test(test_name, () => {
-		const actual = format(input);
+        const actual = format(input, input_path);
 		assert.equal(actual, expected);
 	});
 }