1 files changed, 1 insertions, 0 deletions
diff --git a/pkgs/development/libraries/science/math/or-tools/default.nix b/pkgs/development/libraries/science/math/or-tools/default.nix
index 5cbc23589895..1b17f9576175 100644
--- a/pkgs/development/libraries/science/math/or-tools/default.nix
+++ b/pkgs/development/libraries/science/math/or-tools/default.nix
@@ -120,6 +120,7 @@ stdenv.mkDerivation rec {
     description = ''
       Google's software suite for combinatorial optimization.
     '';
+    mainProgram = "fzn-ortools";
     maintainers = with maintainers; [ andersk ];
     platforms = with platforms; linux ++ darwin;
   };