diff --git a/mingw-w64-headers/wine-import.sh b/mingw-w64-headers/wine-import.sh
index 7222a5e..a38fa49 100755
--- a/mingw-w64-headers/wine-import.sh
+++ b/mingw-w64-headers/wine-import.sh
@@ -189,6 +189,7 @@
 	ivectorchangedeventargs \
 	mediaobj \
 	mfreadwrite \
+	mftransform \
 	mmdeviceapi \
 	mmstream \
 	mscoree \