diff --git a/.direnv/flake-profile-a5d5b61aa8a61b7d9d765e1daf971a9a578f1cfa.rc b/.direnv/flake-profile-a5d5b61aa8a61b7d9d765e1daf971a9a578f1cfa.rc
index 94fc1436..0e9915ee 100644
--- a/.direnv/flake-profile-a5d5b61aa8a61b7d9d765e1daf971a9a578f1cfa.rc
+++ b/.direnv/flake-profile-a5d5b61aa8a61b7d9d765e1daf971a9a578f1cfa.rc
@@ -1869,8 +1869,8 @@ updateSourceDateEpoch ()
         fi;
     fi
 }
-PATH="$PATH:$nix_saved_PATH"
-XDG_DATA_DIRS="$XDG_DATA_DIRS:$nix_saved_XDG_DATA_DIRS"
+PATH="$PATH${nix_saved_PATH:+:$nix_saved_PATH}"
+XDG_DATA_DIRS="$XDG_DATA_DIRS${nix_saved_XDG_DATA_DIRS:+:$nix_saved_XDG_DATA_DIRS}"
 export NIX_BUILD_TOP="$(mktemp -d -t nix-shell.XXXXXX)"
 export TMP="$NIX_BUILD_TOP"
 export TMPDIR="$NIX_BUILD_TOP"
diff --git a/flake.nix b/flake.nix
index d75385d3..114cbff0 100644
--- a/flake.nix
+++ b/flake.nix
@@ -49,8 +49,8 @@
         default = final: prev: {
           kep-hack = final.callPackage kepDerivation {
             files = [
-              ["kep.gbc" "kanto-expansion-pak.gbc"]
-              ["kep.sym" "kanto-expansion-pak.sym"]
+              ["kep.gbc" "kanto-expansion-pak-renewables.gbc"]
+              ["kep.sym" "kanto-expansion-pak-renewables.sym"]
             ];
           };
         };