diff --git a/librw b/librw
index 84c582c1..6ff378bb 160000
--- a/librw
+++ b/librw
@@ -1 +1 @@
-Subproject commit 84c582c1d7a64a213523b8e4c8211f8b7a4fdcd1
+Subproject commit 6ff378bb16007ad003b1a71996944a20f2e76556
diff --git a/src/fakerw/fake.cpp b/src/fakerw/fake.cpp
index 08d106f4..f95845a8 100644
--- a/src/fakerw/fake.cpp
+++ b/src/fakerw/fake.cpp
@@ -790,6 +790,12 @@ RpMaterial *RpMatFXMaterialSetEnvMapFrame( RpMaterial *material, RwFrame *frame
 	mfx->setEnvFrame(frame);
 	return material;
 }
+RpMaterial *RpMatFXMaterialSetEnvMapFrameBufferAlpha( RpMaterial *material, RwBool useFrameBufferAlpha )
+{
+	MatFX *mfx = MatFX::get(material);
+	mfx->setEnvFBAlpha(useFrameBufferAlpha);
+	return material;
+}
 RpMaterial *RpMatFXMaterialSetEnvMapCoefficient( RpMaterial *material, RwReal coef )
 {
 	MatFX *mfx = MatFX::get(material);