--- a/content/media/android/AndroidMediaResourceServer.cpp
+++ b/content/media/android/AndroidMediaResourceServer.cpp
@@ -445,17 +445,17 @@ AndroidMediaResourceServer::AppendRandom
   aUrl += salt;
   return NS_OK;
 }
 
 nsresult
 AndroidMediaResourceServer::AddResource(mozilla::MediaResource* aResource, nsCString& aUrl)
 {
   nsCString url = GetURLPrefix();
-  nsresult rv = GenerateRandomPathName(url, 16);
+  nsresult rv = AppendRandomPath(url);
   if (NS_FAILED (rv)) return rv;
 
   {
     MutexAutoLock lock(mMutex);
 
     // Adding a resource URL that already exists is considered an error.
     if (mResources.find(aUrl) != mResources.end()) return NS_ERROR_FAILURE;
     mResources[url] = aResource;