diff --git a/tests/config.nims b/tests/config.nims
index fabd2ff1..165e2f85 100644
--- a/tests/config.nims
+++ b/tests/config.nims
@@ -1,4 +1,3 @@
+switch("threads", "on")
 # switch("hints", "off")
 # switch("verbosity", "0")
-# switch("threads", "on")
-