diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 448ff8fd6221..9ad932bdb979 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4242,7 +4242,7 @@ with pkgs;
 
   nssmdns = callPackage ../tools/networking/nss-mdns { };
 
-  nwdiag = pythonPackages.nwdiag;
+  nwdiag = with python3Packages; toPythonApplication nwdiag;
 
   nylon = callPackage ../tools/networking/nylon { };