diff --git a/nixos/modules/system/boot/plymouth.nix b/nixos/modules/system/boot/plymouth.nix
index f21ff4a4b509..a63f34938995 100644
--- a/nixos/modules/system/boot/plymouth.nix
+++ b/nixos/modules/system/boot/plymouth.nix
@@ -98,7 +98,8 @@ in
         type = types.path;
         # Dimensions are 48x48 to match GDM logo
         default = "${nixos-icons}/share/icons/hicolor/48x48/apps/nix-snowflake-white.png";
-        defaultText = literalExpression ''pkgs.fetchurl {
+        defaultText = literalExpression ''"''${nixos-icons}/share/icons/hicolor/48x48/apps/nix-snowflake-white.png"'';
+        example = literalExpression ''pkgs.fetchurl {
           url = "https://nixos.org/logo/nixos-hires.png";
           sha256 = "1ivzgd7iz0i06y36p8m5w48fd8pjqwxhdaavc0pxs7w1g7mcy5si";
         }'';