diff --git a/tests/ic/config.nims b/tests/ic/config.nims
index 76b29a6aad..baed0ccd55 100644
--- a/tests/ic/config.nims
+++ b/tests/ic/config.nims
@@ -1,2 +1,2 @@
 when defined(windows):
-  --threads:off
+  --tlsEmulation:off