diff --git a/pkgs/development/compilers/gcc/8/default.nix b/pkgs/development/compilers/gcc/8/default.nix
index 2465e6149c0..494f37c25e4 100644
--- a/pkgs/development/compilers/gcc/8/default.nix
+++ b/pkgs/development/compilers/gcc/8/default.nix
@@ -439,6 +439,9 @@ stdenv.mkDerivation ({
       stdenv.lib.platforms.linux ++
       stdenv.lib.platforms.freebsd ++
       stdenv.lib.platforms.darwin;
+
+    # See #40038
+    broken = stdenv.isDarwin;
   };
 }