diff --git a/pkgs/by-name/sp/spice-vdagent/package.nix b/pkgs/by-name/sp/spice-vdagent/package.nix
index 7c7633f86f2c..48ca54f12f46 100644
--- a/pkgs/by-name/sp/spice-vdagent/package.nix
+++ b/pkgs/by-name/sp/spice-vdagent/package.nix
@@ -56,6 +56,9 @@ stdenv.mkDerivation (finalAttrs: {
     systemd
   ];
 
+  # fix build w/ glibc-2.44
+  env.NIX_CFLAGS_COMPILE = "-Wno-error=discarded-qualifiers";
+
   meta = {
     description = "Enhanced SPICE integration for linux QEMU guest";
     longDescription = ''