diff --git a/collects/meta/props b/collects/meta/props
index 48f805ef89..cd6b2bf8ff 100755
--- a/collects/meta/props
+++ b/collects/meta/props
@@ -890,6 +890,8 @@ path/s is either such a string or a list of them.
 "collects/handin-server/main.rkt" drdr:command-line (mzc *)
 "collects/handin-server/overridden-collects/fake-teachpack/htdp/guess.rkt" drdr:command-line (gracket-text "-t" *)
 "collects/handin-server/overridden-collects/fake-teachpack/htdp/master.rkt" drdr:command-line (gracket-text "-t" *)
+"collects/handin-server/overridden-collects/teachpack/htdp/guess.rkt" drdr:command-line (gracket "-t" *)
+"collects/handin-server/overridden-collects/teachpack/htdp/master.rkt" drdr:command-line (gracket "-t" *)
 "collects/handin-server/utils.rkt" drdr:command-line (mzc *)
 "collects/handin-server/web-status-server.rkt" drdr:command-line (mzc *)
 "collects/help" responsible (robby)