diff --git a/pkgs/development/libraries/webkitgtk/default.nix b/pkgs/development/libraries/webkitgtk/default.nix
index ff3122a9316..7fab8b5fb91 100644
--- a/pkgs/development/libraries/webkitgtk/default.nix
+++ b/pkgs/development/libraries/webkitgtk/default.nix
@@ -48,5 +48,5 @@ stdenv.mkDerivation rec {
 
   propagatedBuildInputs = [ gtk3 libsoup ];
 
-  enableParallelBuilding = true;
+  #enableParallelBuilding = true; # build problems on Hydra
 }