diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index d610162bc75e..36db03626835 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -403,7 +403,7 @@ with pkgs;
 
   inherit (gridlock) nyarr;
 
-  html5validator = python3Packages.callPackage ../applications/misc/html5validator { };
+  html5validator = callPackage ../applications/misc/html5validator { };
 
   inspec = callPackage ../tools/misc/inspec { };