diff --git a/pkgs/development/tools/build-managers/gn/generic.nix b/pkgs/development/tools/build-managers/gn/generic.nix
index 4eeeacf06337..dab03ebfb758 100644
--- a/pkgs/development/tools/build-managers/gn/generic.nix
+++ b/pkgs/development/tools/build-managers/gn/generic.nix
@@ -38,6 +38,8 @@ in stdenv.mkDerivation {
     AppKit
   ]);
 
+  env.NIX_CFLAGS_COMPILE = "-Wno-error";
+
   buildPhase = ''
     python build/gen.py --no-last-commit-position
     ln -s ${lastCommitPosition} out/last_commit_position.h