diff --git a/media/extractors/mp4/MPEG4Extractor.cpp b/media/extractors/mp4/MPEG4Extractor.cpp
index 50f172e..d0efddd 100644
--- a/media/extractors/mp4/MPEG4Extractor.cpp
+++ b/media/extractors/mp4/MPEG4Extractor.cpp
@@ -6048,6 +6048,7 @@
         // Just give these file types a chance.
         FOURCC("qt  "),  // Apple's QuickTime
         FOURCC("MSNV"),  // Sony's PSP
+        FOURCC("wmf "),
 
         FOURCC("3g2a"),  // 3GPP2
         FOURCC("3g2b"),