diff --git a/tests/stdlib/tbitops.nim.cfg b/tests/stdlib/tbitops.nim.cfg
index f0d7668a7c..013e8d38e3 100644
--- a/tests/stdlib/tbitops.nim.cfg
+++ b/tests/stdlib/tbitops.nim.cfg
@@ -1 +1 @@
--d:noUndefinedBitOps
+-d:noUndefinedBitOpts