diff --git a/pkgs/misc/cups/drivers/brgenml1lpr/default.nix b/pkgs/misc/cups/drivers/brgenml1lpr/default.nix
index 1e838db93263..d683e80b2893 100644
--- a/pkgs/misc/cups/drivers/brgenml1lpr/default.nix
+++ b/pkgs/misc/cups/drivers/brgenml1lpr/default.nix
@@ -28,9 +28,9 @@
 */
 
 let
-  myPatchElf = file: with lib; ''
+  myPatchElf = file: ''
     patchelf --set-interpreter \
-      ${stdenv.cc.libc}/lib/ld-linux${optionalString stdenv.is64bit "-x86-64"}.so.2 \
+      ${stdenv.cc.libc}/lib/ld-linux${lib.optionalString stdenv.is64bit "-x86-64"}.so.2 \
       ${file}
   '';
 in