diff --git a/nix.conf.example b/nix.conf.example
index 03d38b5a64..2b3b6b970f 100644
--- a/nix.conf.example
+++ b/nix.conf.example
@@ -115,7 +115,7 @@
 #
 # Example:
 #   build-users-group = nix-builders
-#build-users-group = nix-builders
+#build-users-group =
 
 
 ### Option `system'