diff --git a/dom/workers/ScriptLoader.cpp b/dom/workers/ScriptLoader.cpp
index fa2c4f187bb..a843e4c8ec9 100644
--- a/dom/workers/ScriptLoader.cpp
+++ b/dom/workers/ScriptLoader.cpp
@@ -22,6 +22,7 @@
 #include "nsIURI.h"
 
 #include "jsapi.h"
+#include "jsfriendapi.h"
 #include "nsError.h"
 #include "nsContentPolicyUtils.h"
 #include "nsContentUtils.h"
@@ -318,6 +319,9 @@ private:
                        WorkerPrivate* aWorkerPrivate,
                        bool aResult,
                        bool aMutedError);
+
+  void LogExceptionToConsole(JSContext* aCx,
+                             WorkerPrivate* WorkerPrivate);
 };
 
 class CacheScriptLoader;
@@ -1811,7 +1815,7 @@ ScriptExecutorRunnable::ShutdownScriptLoader(JSContext* aCx,
     // If this error has to be muted, we have to clear the pending exception,
     // if any, and use the ErrorResult object to throw a new exception.
     if (aMutedError && JS_IsExceptionPending(aCx)) {
-      JS_ClearPendingException(aCx);
+      LogExceptionToConsole(aCx, aWorkerPrivate);
       mScriptLoader.mRv.Throw(NS_ERROR_FAILURE);
     } else {
       mScriptLoader.mRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
@@ -1822,6 +1826,33 @@ ScriptExecutorRunnable::ShutdownScriptLoader(JSContext* aCx,
   aWorkerPrivate->StopSyncLoop(mSyncLoopTarget, aResult);
 }
 
+void
+ScriptExecutorRunnable::LogExceptionToConsole(JSContext* aCx,
+                                              WorkerPrivate* aWorkerPrivate)
+{
+  aWorkerPrivate->AssertIsOnWorkerThread();
+
+  JS::Rooted<JS::Value> exn(aCx);
+  if (!JS_GetPendingException(aCx, &exn)) {
+    return;
+  }
+
+  JS_ClearPendingException(aCx);
+
+  js::ErrorReport report(aCx);
+  if (!report.init(aCx, exn)) {
+    JS_ClearPendingException(aCx);
+    return;
+  }
+
+  nsRefPtr<xpc::ErrorReport> xpcReport = new xpc::ErrorReport();
+  xpcReport->Init(report.report(), report.message(),
+                  aWorkerPrivate->IsChromeWorker(), aWorkerPrivate->WindowID());
+
+  nsRefPtr<AsyncErrorReporter> r = new AsyncErrorReporter(xpcReport);
+  NS_DispatchToMainThread(r);
+}
+
 void
 LoadAllScripts(JSContext* aCx, WorkerPrivate* aWorkerPrivate,
                nsTArray<ScriptLoadInfo>& aLoadInfos, bool aIsMainScript,