diff --git a/etc/mtree/BSD.root.dist b/etc/mtree/BSD.root.dist
index 1b972c8966c4..3333da22538d 100644
--- a/etc/mtree/BSD.root.dist
+++ b/etc/mtree/BSD.root.dist
@@ -15,7 +15,7 @@
         modules
         ..
     ..
-    dev	mode=0555
+    dev             mode=0555
     ..
     etc
         X11