diff --git a/cozo-core/src/parse/query.rs b/cozo-core/src/parse/query.rs
index 858b4b8f..17952089 100644
--- a/cozo-core/src/parse/query.rs
+++ b/cozo-core/src/parse/query.rs
@@ -107,10 +107,14 @@ pub(crate) fn parse_query(
     cur_vld: ValidityTs,
 ) -> Result<InputProgram> {
     let mut progs: BTreeMap<Symbol, InputInlineRulesOrFixed> = Default::default();
+    #[cfg(not(target_arch = "wasm32"))]
     let mut out_opts: QueryOutOptions = QueryOutOptions {
         timeout: Some(DEFAULT_TIMEOUT),
         ..Default::default()
     };
+    #[cfg(target_arch = "wasm32")]
+    let mut out_opts: QueryOutOptions = Default::default();
+
     let mut stored_relation = None;
 
     for pair in src {