diff --git a/tools/test-main b/tools/test-main
index a718785..5651085 100755
--- a/tools/test-main
+++ b/tools/test-main
@@ -2,7 +2,7 @@
 
 set -ev
 
-tools/test-bots --coverage
-tools/test-botserver --coverage combine
-tools/test-zulip --coverage combine
-tools/test-lib --coverage combine
+tools/test-bots "$@" --coverage
+tools/test-botserver "$@" --coverage combine
+tools/test-zulip "$@" --coverage combine
+tools/test-lib "$@" --coverage combine