diff --git a/cli/src/wasm.rs b/cli/src/wasm.rs
index 9689245d..f31ac2d2 100644
--- a/cli/src/wasm.rs
+++ b/cli/src/wasm.rs
@@ -83,6 +83,8 @@ pub fn compile_language_to_wasm(language_dir: &Path, force_docker: bool) -> Resu
         "-s",
         "NODEJS_CATCH_EXIT=0",
         "-s",
+        "NODEJS_CATCH_REJECTION=0",
+        "-s",
         &format!("EXPORTED_FUNCTIONS=[\"_tree_sitter_{}\"]", grammar_name),
         "-fno-exceptions",
         "-I",