diff --git a/tests/functional/flakes/non-flake-inputs.sh b/tests/functional/flakes/non-flake-inputs.sh
index c9c9803d3..f5e12cd01 100644
--- a/tests/functional/flakes/non-flake-inputs.sh
+++ b/tests/functional/flakes/non-flake-inputs.sh
@@ -2,6 +2,8 @@
 
 source ./common.sh
 
+TODO_NixOS
+
 createFlake1
 createFlake2