diff --git a/src/lib/public/raytrace.lib b/src/lib/public/raytrace.lib
index aaa685ac..408b4f62 100644
Binary files a/src/lib/public/raytrace.lib and b/src/lib/public/raytrace.lib differ
diff --git a/src/vbsp/detail.cpp b/src/vbsp/detail.cpp
index b7167cbb..68985bb4 100644
--- a/src/vbsp/detail.cpp
+++ b/src/vbsp/detail.cpp
@@ -440,6 +440,8 @@ face_t *MakeBrushFace( side_t *originalSide, winding_t *winding )
     f->split[0] = f->split[1] = NULL;
     f->w = CopyWinding( winding );
     f->originalface = originalSide;
+    f->smoothingGroups = originalSide->smoothingGroups;
+
     //
     // save material info
     //