--- a/modules/libjar/nsJARChannel.cpp
+++ b/modules/libjar/nsJARChannel.cpp
@@ -206,18 +206,33 @@ nsJARChannel::nsJARChannel()
     LOG(("nsJARChannel::nsJARChannel [this=%p]\n", this));
     // hold an owning reference to the jar handler
     mJarHandler = gJarHandler;
 }
 
 nsJARChannel::~nsJARChannel()
 {
     LOG(("nsJARChannel::~nsJARChannel [this=%p]\n", this));
+    if (NS_IsMainThread()) {
+        return;
+    }
+
+    // Proxy release the following members to main thread.
     NS_ReleaseOnMainThreadSystemGroup("nsJARChannel::mLoadInfo",
                                       mLoadInfo.forget());
+    NS_ReleaseOnMainThreadSystemGroup("nsJARChannel::mCallbacks",
+                                      mCallbacks.forget());
+    NS_ReleaseOnMainThreadSystemGroup("nsJARChannel::mProgressSink",
+                                      mProgressSink.forget());
+    NS_ReleaseOnMainThreadSystemGroup("nsJARChannel::mLoadGroup",
+                                      mLoadGroup.forget());
+    NS_ReleaseOnMainThreadSystemGroup("nsJARChannel::mListener",
+                                      mListener.forget());
+    NS_ReleaseOnMainThreadSystemGroup("nsJARChannel::mListenerContext",
+                                      mListenerContext.forget());
 }
 
 NS_IMPL_ISUPPORTS_INHERITED(nsJARChannel,
                             nsHashPropertyBag,
                             nsIRequest,
                             nsIChannel,
                             nsIStreamListener,
                             nsIRequestObserver,