diff --git a/pkgs/by-name/x1/x16/package.nix b/pkgs/by-name/x1/x16/package.nix
index b1114d51b5fe..f1226c2f2bc9 100644
--- a/pkgs/by-name/x1/x16/package.nix
+++ b/pkgs/by-name/x1/x16/package.nix
@@ -7,6 +7,7 @@
   callPackage,
   zlib,
   nix-update-script,
+  fetchpatch,
 }:
 
 stdenv.mkDerivation (finalAttrs: {
@@ -30,6 +31,9 @@ stdenv.mkDerivation (finalAttrs: {
     })
   ];
 
+  # fix build w/ glibc-2.44
+  env.NIX_CFLAGS_COMPILE = "-Wno-error=discarded-qualifiers";
+
   postPatch = ''
     substituteInPlace Makefile \
       --replace-fail '/bin/echo' 'echo'