2 files changed, 3 insertions, 2 deletions
diff --git a/pkgs/applications/science/math/ginac/default.nix b/pkgs/applications/science/math/ginac/default.nix
index 1fff1156c1a..0ceefe9b5dd 100644
--- a/pkgs/applications/science/math/ginac/default.nix
+++ b/pkgs/applications/science/math/ginac/default.nix
@@ -25,6 +25,7 @@ stdenv.mkDerivation rec {
   configureFlags = [ "--disable-rpath" ];
 
   meta = with lib; {
+    broken = stdenv.isDarwin;
     description = "GiNaC is Not a CAS";
     homepage = "https://www.ginac.de/";
     maintainers = with maintainers; [ lovek323 ];
diff --git a/pkgs/applications/science/math/speedcrunch/default.nix b/pkgs/applications/science/math/speedcrunch/default.nix
index a4e15060fe3..239b5fd6d36 100644
--- a/pkgs/applications/science/math/speedcrunch/default.nix
+++ b/pkgs/applications/science/math/speedcrunch/default.nix
@@ -1,4 +1,4 @@
-{ mkDerivation, lib, fetchFromBitbucket, cmake, qtbase, qttools }:
+{ stdenv, mkDerivation, lib, fetchFromBitbucket, cmake, qtbase, qttools }:
 
 mkDerivation rec {
   pname = "speedcrunch";
@@ -32,6 +32,6 @@ mkDerivation rec {
     maintainers = with maintainers; [ gebner j0hax ];
     inherit (qtbase.meta) platforms;
     # works with qt 5.6 and qt 5.8
-    broken = builtins.compareVersions qtbase.version "5.7.0" == 0;
+    broken = builtins.compareVersions qtbase.version "5.7.0" == 0 || stdenv.isDarwin;
   };
 }