diff --git a/js/src/tests/js1_8_5/extensions/sharedtypedarray.js b/js/src/tests/js1_8_5/extensions/sharedtypedarray.js
index ce56dbc3872..ee6929a9c68 100644
--- a/js/src/tests/js1_8_5/extensions/sharedtypedarray.js
+++ b/js/src/tests/js1_8_5/extensions/sharedtypedarray.js
@@ -13,6 +13,7 @@
 // are or will be tests, in dom/workers, that do that.
 
 if (!this.SharedArrayBuffer)
+    reportCompare(true,true);
     quit(0);
 
 var b;