diff --git a/src/laws.test.c b/src/laws.test.c
index 34434b665..4c63aedcf 100644
--- a/src/laws.test.c
+++ b/src/laws.test.c
@@ -1235,6 +1235,7 @@ static void test_show_without_item(CuTest *tc)
     reshow_cmd(u, ord);
     CuAssertTrue(tc, test_find_messagetype(u->faction->msgs, "error21") == NULL);
     CuAssertTrue(tc, test_find_messagetype(u->faction->msgs, "error36") == NULL);
+    test_clear_messages(u->faction);
 
     free_order(ord);
     test_cleanup();