diff --git a/collects/2htdp/tests/xtest b/collects/2htdp/tests/xtest
index d2561c46db..25463109d2 100755
--- a/collects/2htdp/tests/xtest
+++ b/collects/2htdp/tests/xtest
@@ -2,7 +2,7 @@
 
 run() {
   exe="gracket"
-  if [ "x$1" = "x-t" ]; then exe="racket"; fi
+  if [ "x$1" = "x-t" ]; then exe="racket"; shift; fi
   "$exe" "$1"
   echo "done:--- $1 ---"
   echo ""