diff --git a/nixos/tests/miracle-wm.nix b/nixos/tests/miracle-wm.nix
index 2bb62222b22a..96df8bb434b6 100644
--- a/nixos/tests/miracle-wm.nix
+++ b/nixos/tests/miracle-wm.nix
@@ -59,7 +59,7 @@
         ];
 
         # To help with OCR
-        etc."xdg/foot/foot.ini".text = lib.generators.toINI { } {
+        etc."xdg/foot/foot.ini".source = (pkgs.formats.ini { }).generate "foot.ini" {
           main = {
             font = "inconsolata:size=16";
           };
@@ -69,7 +69,7 @@
             regular2 = foreground;
           };
         };
-        etc."xdg/alacritty/alacritty.yml".text = lib.generators.toYAML { } {
+        etc."xdg/alacritty/alacritty.toml".source = (pkgs.formats.toml { }).generate "alacritty.toml" {
           font = rec {
             normal.family = "Inconsolata";
             bold.family = normal.family;