diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 874bfca762e6..3bdebbf232a4 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -1870,7 +1870,7 @@ in
 
   marlin-calc = callPackage ../tools/misc/marlin-calc {};
 
-  mathics = pythonPackages.mathics;
+  mathics = with python2Packages; toPythonApplication mathics;
 
   masscan = callPackage ../tools/security/masscan {
     stdenv = gccStdenv;