diff --git a/etc/mtree/BSD.include.dist b/etc/mtree/BSD.include.dist
index 4f7674936f0..88ba077d299 100644
--- a/etc/mtree/BSD.include.dist
+++ b/etc/mtree/BSD.include.dist
@@ -50,7 +50,11 @@
         ..
     ..
     g++
-        std
+        backward
+        ..
+        bits
+        ..
+        ext
         ..
     ..
     isc