diff --git a/src/nix/hive/eval.nix b/src/nix/hive/eval.nix
index 1f33a24..fcd1e45 100644
--- a/src/nix/hive/eval.nix
+++ b/src/nix/hive/eval.nix
@@ -416,7 +416,7 @@ let
       # meta.nixpkgs are overridden.
       warnings = let
         metaKeys = attrNames npkgs.config;
-        nodeKeys = [ "doCheckByDefault" "warnings" ] ++ (attrNames config.nixpkgs.config);
+        nodeKeys = [ "doCheckByDefault" "warnings" "allowAliases" ] ++ (attrNames config.nixpkgs.config);
         remainingKeys = filter (k: ! elem k nodeKeys) metaKeys;
       in
         lib.optional (length remainingKeys != 0)