diff --git a/pkgs/misc/my-env/default.nix b/pkgs/misc/my-env/default.nix
index b9b29cdabe3b..ce7813b237cb 100644
--- a/pkgs/misc/my-env/default.nix
+++ b/pkgs/misc/my-env/default.nix
@@ -141,7 +141,7 @@ mkDerivation {
       }
 
       export PATH
-      echo $name loaded
+      echo $name loaded >&2
 
       trap nix_cleanup EXIT
     EOF