diff --git a/nix/configurations/installer.nix b/nix/configurations/installer.nix
index 7c14cb89..ad57b887 100644
--- a/nix/configurations/installer.nix
+++ b/nix/configurations/installer.nix
@@ -29,7 +29,14 @@ in
     };
 
     nixpkgs = {
-      overlays = [self.overlays.default self.overlays.packages'];
+      overlays = map import [
+        ../overlays/agenix.nix
+        ../overlays/disko.nix
+        ../overlays/nur.nix
+        ../overlays/nix-tree.nix
+
+        ../overlays/packages.nix
+      ];
     };
 
     isoImage.squashfsCompression = "zstd -Xcompression-level 3";