diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 55a480c1cd76..42c57631f744 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -186,7 +186,7 @@ with pkgs;
 
   antsimulator = callPackage ../games/antsimulator { };
 
-  aocd = with pythonPackages; toPythonApplication aocd;
+  aocd = with python3Packages; toPythonApplication aocd;
 
   astrolog = callPackage ../applications/science/astronomy/astrolog { };