diff --git a/nix/culr-module.nix b/nix/culr-module.nix
index 5ee0b46..44e750b 100644
--- a/nix/culr-module.nix
+++ b/nix/culr-module.nix
@@ -16,7 +16,7 @@ in {
     };
     palette = mkOption {
       type = with types; listOf str;
-      default = null;
+      default = [];
       description = "palette to use in comma separated RGB hex eg. #0f0f0f";
     };
   };