diff --git a/etc/mtree/BSD.include.dist b/etc/mtree/BSD.include.dist
index ace270554016..6e3cddaa477a 100644
--- a/etc/mtree/BSD.include.dist
+++ b/etc/mtree/BSD.include.dist
@@ -16,8 +16,12 @@
         ..
         ic
         ..
+        iicbus
+        ..
         ppbus
         ..
+        smbus
+        ..
         usb
         ..
         wi