diff --git a/pkgs/development/compilers/edk2/default.nix b/pkgs/development/compilers/edk2/default.nix
index 304ca30b5229..d34ae7b8143e 100644
--- a/pkgs/development/compilers/edk2/default.nix
+++ b/pkgs/development/compilers/edk2/default.nix
@@ -68,7 +68,9 @@ edk2 = stdenv.mkDerivation rec {
 
   makeFlags = [ "-C BaseTools" ];
 
-  env.NIX_CFLAGS_COMPILE = "-Wno-return-type" + lib.optionalString (stdenv.cc.isGNU) " -Wno-error=stringop-truncation";
+  env.NIX_CFLAGS_COMPILE = "-Wno-return-type"
+    + lib.optionalString (stdenv.cc.isGNU) " -Wno-error=stringop-truncation"
+    + lib.optionalString (stdenv.isDarwin) " -Wno-error=macro-redefined";
 
   hardeningDisable = [ "format" "fortify" ];