diff --git a/pkgs/development/libraries/webkit/default.nix b/pkgs/development/libraries/webkit/default.nix
index b473f3503023..8865c2fb6bf3 100644
--- a/pkgs/development/libraries/webkit/default.nix
+++ b/pkgs/development/libraries/webkit/default.nix
@@ -15,7 +15,7 @@ rec {
 
   configureCommand = "./autogen.sh ";
   configureFlags = [
-    "--enable-3d-transforms"
+    "--enable-3D-transforms"
     "--enable-filters"
     "--enable-web-sockets"
     ];