diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 923c81d5939..b55076489b6 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7899,7 +7899,7 @@ let
   agda = callPackage ../build-support/agda {
     glibcLocales = if pkgs.stdenv.isLinux then pkgs.glibcLocales else null;
     extension = self : super : { };
-    inherit (haskellngPackages) Agda;
+    inherit (haskell-ng.packages.ghc784) Agda;
     inherit writeScriptBin;
   };