diff --git a/pkgs/servers/x11/xorg/overrides.nix b/pkgs/servers/x11/xorg/overrides.nix
index 46903124568e..ad6534b3df51 100644
--- a/pkgs/servers/x11/xorg/overrides.nix
+++ b/pkgs/servers/x11/xorg/overrides.nix
@@ -168,6 +168,7 @@ in
   };
 
   xorgserver = attrs: attrs // {
+    configureFlags = "--enable-xcsecurity"; # enable SECURITY extension
     patches = [./xorgserver-dri-path.patch ./xorgserver-xkbcomp-path.patch];
     buildInputs = attrs.buildInputs ++
       [ args.zlib args.udev args.mesa args.dbus.libs