diff --git a/lib/flake.nix b/lib/flake.nix
index 393c9d6a..862570c0 100644
--- a/lib/flake.nix
+++ b/lib/flake.nix
@@ -50,7 +50,7 @@
             pathsToImportedAttrs
             concatAttrs
             filterPackages;
-          inherit (lists) pathsIn collectProfiles;
+          inherit (lists) pathsIn collectProfiles unifyOverlays;
           inherit (strings) rgxToString;
           inherit modules;
         }
diff --git a/lib/lists.nix b/lib/lists.nix
index c20a4d7b..5e9c57b2 100644
--- a/lib/lists.nix
+++ b/lib/lists.nix
@@ -16,4 +16,6 @@
       fullPath = name: "${toString dir}/${name}";
     in
     map fullPath (lib.attrNames (lib.safeReadDir dir));
+
+  unifyOverlays = channels: map (o: if builtins.isFunction (o null null) then o channels else o);
 }