diff --git a/crates/oxc_wasm/src/lib.rs b/crates/oxc_wasm/src/lib.rs
index ded7e5042..b706436ff 100644
--- a/crates/oxc_wasm/src/lib.rs
+++ b/crates/oxc_wasm/src/lib.rs
@@ -166,11 +166,15 @@ impl Oxc {
             _ => source_type,
         };
 
+        let default_parser_options = ParseOptions::default();
         let oxc_parser_options = ParseOptions {
             allow_return_outside_function: parser_options
                 .allow_return_outside_function
-                .unwrap_or_default(),
-            ..ParseOptions::default()
+                .unwrap_or(default_parser_options.allow_return_outside_function),
+            preserve_parens: parser_options
+                .preserve_parens
+                .unwrap_or(default_parser_options.preserve_parens),
+            ..default_parser_options
         };
 
         let ret = Parser::new(&allocator, source_text, source_type)
diff --git a/crates/oxc_wasm/src/options.rs b/crates/oxc_wasm/src/options.rs
index 14a1caca4..1f2a260ef 100644
--- a/crates/oxc_wasm/src/options.rs
+++ b/crates/oxc_wasm/src/options.rs
@@ -50,6 +50,8 @@ pub struct OxcRunOptions {
 pub struct OxcParserOptions {
     #[tsify(optional)]
     pub allow_return_outside_function: Option<bool>,
+    #[tsify(optional)]
+    pub preserve_parens: Option<bool>,
     #[tsify(optional, type = "\"script\" | \"module\"")]
     pub source_type: Option<String>,
     #[tsify(optional)]