--- a/netwerk/base/nsNetUtil.h
+++ b/netwerk/base/nsNetUtil.h
@@ -591,17 +591,16 @@ NS_GetRealPort(nsIURI* aURI)
 inline nsresult /* NS_NewInputStreamChannelWithLoadInfo */
 NS_NewInputStreamChannelInternal(nsIChannel**        outChannel,
                                  nsIURI*             aUri,
                                  nsIInputStream*     aStream,
                                  const nsACString&   aContentType,
                                  const nsACString&   aContentCharset,
                                  nsILoadInfo*        aLoadInfo)
 {
-  MOZ_ASSERT(aLoadInfo, "can not create channel without a loadinfo");
   nsresult rv;
   nsCOMPtr<nsIInputStreamChannel> isc =
     do_CreateInstance(NS_INPUTSTREAMCHANNEL_CONTRACTID, &rv);
   NS_ENSURE_SUCCESS(rv, rv);
   rv = isc->SetURI(aUri);
   NS_ENSURE_SUCCESS(rv, rv);
   rv = isc->SetContentStream(aStream);
   NS_ENSURE_SUCCESS(rv, rv);
@@ -618,17 +617,17 @@ NS_NewInputStreamChannelInternal(nsIChan
     rv = channel->SetContentCharset(aContentCharset);
     NS_ENSURE_SUCCESS(rv, rv);
   }
 
   channel->SetLoadInfo(aLoadInfo);
 
   // If we're sandboxed, make sure to clear any owner the channel
   // might already have.
-  if (aLoadInfo->GetLoadingSandboxed()) {
+  if (aLoadInfo && aLoadInfo->GetLoadingSandboxed()) {
     channel->SetOwner(nullptr);
   }
 
   channel.forget(outChannel);
   return NS_OK;
 }
 
 inline nsresult