1 files changed, 9 insertions, 5 deletions
diff --git a/test/binaryen.js/custom-section.js b/test/binaryen.js/custom-section.js
index f61af0096..2ecd39025 100644
--- a/test/binaryen.js/custom-section.js
+++ b/test/binaryen.js/custom-section.js
@@ -2,10 +2,14 @@ function assert(x) {
   if (!x) throw 'error!';
 }
 
-Binaryen.setAPITracing(true);
-var module = new Binaryen.Module();
+function test() {
+  Binaryen.setAPITracing(true);
+  var module = new Binaryen.Module();
 
-module.addCustomSection("hello", [119, 111, 114, 108, 100]);
+  module.addCustomSection("hello", [119, 111, 114, 108, 100]);
 
-assert(module.validate());
-console.log(module.emitText());
+  assert(module.validate());
+  console.log(module.emitText());
+}
+
+Binaryen.ready.then(test);