diff --git a/init/builtins.c b/init/builtins.c
index 5bda7a0..da41b89 100644
--- a/init/builtins.c
+++ b/init/builtins.c
@@ -339,6 +339,12 @@
     { "ro",         MS_RDONLY },
     { "rw",         0 },
     { "remount",    MS_REMOUNT },
+    { "bind",       MS_BIND },
+    { "rec",        MS_REC },
+    { "unbindable", MS_UNBINDABLE },
+    { "private",    MS_PRIVATE },
+    { "slave",      MS_SLAVE },
+    { "shared",     MS_SHARED },
     { "defaults",   0 },
     { 0,            0 },
 };