diff --git a/pkgs/additional/linux-exynos5-mainline/default.nix b/pkgs/additional/linux-exynos5-mainline/default.nix
index 4aba9a8b..4941ed67 100644
--- a/pkgs/additional/linux-exynos5-mainline/default.nix
+++ b/pkgs/additional/linux-exynos5-mainline/default.nix
@@ -1,13 +1,14 @@
-{ buildLinux
+{ lib
+, buildLinux
 , fetchFromGitLab
 #v nixpkgs calls `.override` on the kernel to configure additional things
 , features ? {}
-, kernelPatches ? []
+, kernelPatches ? null
 , randstructSeed ? ""
 , structuredExtraConfig ? {}
 , ...
 }:
-buildLinux {
+buildLinux ({
   src = fetchFromGitLab {
     owner = "exynos5-mainline";
     repo = "linux";
@@ -23,5 +24,9 @@ buildLinux {
   autoModules = false;
   # preferBuiltin = false;
 
-  inherit features kernelPatches randstructSeed structuredExtraConfig;
-}
+  inherit features randstructSeed structuredExtraConfig;
+} // lib.optionalAttrs (builtins.isList kernelPatches) {
+  # callPackage mucks with `kernelPatches`: only forward this argument if it's a list,
+  # as expected by `buildLinux`
+  inherit kernelPatches;
+})
diff --git a/scripts/check-nur b/scripts/check-nur
index 34200744..562503f4 100755
--- a/scripts/check-nur
+++ b/scripts/check-nur
@@ -1,7 +1,8 @@
 #!/bin/sh
-cd ../integrations/nur
+NIX_FILES_TOP=/home/colin/nixos
+cd $NIX_FILES_TOP/integrations/nur
 # TODO: should include `-I nixpkgs=</path/to/an/unpatched/nixpkgs>`
-NIX_PATH= NIXPKGS_ALLOW_UNSUPPORTED_SYSTEM=1 nix-env -f . -qa \* --meta --xml \
+NIX_PATH= NIXPKGS_ALLOW_UNSUPPORTED_SYSTEM=1 nix-env -f . -qa linux\* --meta --xml \
   --allowed-uris https://static.rust-lang.org \
   --option restrict-eval true \
   --option allow-import-from-derivation true \