--- a/dom/media/platforms/wmf/WMFDecoderModule.cpp
+++ b/dom/media/platforms/wmf/WMFDecoderModule.cpp
@@ -74,16 +74,22 @@ WMFDecoderModule::Startup()
 {
   mWMFInitialized = SUCCEEDED(wmf::MFStartup());
   return mWMFInitialized ? NS_OK : NS_ERROR_FAILURE;
 }
 
 already_AddRefed<MediaDataDecoder>
 WMFDecoderModule::CreateVideoDecoder(const CreateDecoderParams& aParams)
 {
+  if (aParams.mOptions.contains(CreateDecoderParams::Option::LowLatency)) {
+    // Latency on Windows is bad. Let's not attempt to decode with WMF decoders
+    // when low latency is required.
+    return nullptr;
+  }
+
   nsAutoPtr<WMFVideoMFTManager> manager(
     new WMFVideoMFTManager(aParams.VideoConfig(),
                            aParams.mKnowsCompositor,
                            aParams.mImageContainer,
                            sDXVAEnabled));
 
   if (!manager->Init()) {
     return nullptr;