1 files changed, 1 insertions, 0 deletions
diff --git a/lisplib.c b/lisplib.c
index 582788f2..3a5beb78 100644
--- a/lisplib.c
+++ b/lisplib.c
@@ -809,6 +809,7 @@ static val defset_set_entries(val dlt, val fun)
   val name[] = {
     lit("defset"), lit("sub-list"), lit("sub-vec"), lit("sub-str"),
     lit("left"), lit("right"), lit("key"),
+    lit("set-mask"), lit("clear-mask"),
     nil
   };
   set_dlt_entries(dlt, name, fun);