diff --git a/pkgs/applications/misc/gxneur/default.nix b/pkgs/applications/misc/gxneur/default.nix
index 7d19a9cb1108..6e6145e79086 100644
--- a/pkgs/applications/misc/gxneur/default.nix
+++ b/pkgs/applications/misc/gxneur/default.nix
@@ -8,7 +8,8 @@ stdenv.mkDerivation {
     sha256 = "0avmhdcj0hpr55fc0iih8fjykmdhn34c8mwdnqvl8jh4nhxxchxr";
   };
 
-  NIX_CFLAGS_COMPILE = "-Wno-deprecated-declarations";
+  # glib-2.62 deprecations
+  NIX_CFLAGS_COMPILE = [ "-DGLIB_DISABLE_DEPRECATION_WARNINGS" ];
 
   nativeBuildInputs = [ pkgconfig intltool ];
   buildInputs = [