--- a/js/src/jit-test/tests/tracelogger/bug1257194.js
+++ b/js/src/jit-test/tests/tracelogger/bug1257194.js
@@ -1,9 +1,11 @@
 // |jit-test| allow-oom
 
 if (!('oomAfterAllocations' in this))
   quit();
 
 var du = new Debugger();
-var obj = du.drainTraceLogger();
-oomAfterAllocations(1);
-du.drainTraceLogger().length;
+if (typeof du.drainTraceLogger == "function") {
+    var obj = du.drainTraceLogger();
+    oomAfterAllocations(1);
+    du.drainTraceLogger().length;
+}