diff --git a/compiler/nimrod.nimrod.cfg b/compiler/nimrod.nimrod.cfg
index 657c47b280..cc27d9f36c 100644
--- a/compiler/nimrod.nimrod.cfg
+++ b/compiler/nimrod.nimrod.cfg
@@ -17,4 +17,6 @@ import:testability
   cincludes: "$lib/wrappers/libffi/common"
 @end
 
+define:useStdoutAsStdmsg
+
 cs:partial