diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 67a338e5a793..dd7bd8219d92 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7746,7 +7746,8 @@ in
     isl = isl_0_17;
   }));
 
-  gfortran = gfortran7;
+  # Version 8.x is marked broken on Darwin: https://gist.github.com/GrahamcOfBorg/bef0231b7129681950f03c4ac06781c8.
+  gfortran = if stdenv.isDarwin then gfortran7 else gfortran8;
 
   gfortran48 = wrapCC (gcc48.cc.override {
     name = "gfortran";