1 files changed, 1 insertions, 0 deletions
diff --git a/pkgs/development/libraries/science/math/lcalc/default.nix b/pkgs/development/libraries/science/math/lcalc/default.nix
index b1896917658c..f6603f7d8fb8 100644
--- a/pkgs/development/libraries/science/math/lcalc/default.nix
+++ b/pkgs/development/libraries/science/math/lcalc/default.nix
@@ -34,6 +34,7 @@ stdenv.mkDerivation rec {
   meta = with lib; {
     homepage = "https://gitlab.com/sagemath/lcalc";
     description = "A program for calculating with L-functions";
+    mainProgram = "lcalc";
     license = with licenses; [ gpl2 ];
     maintainers = teams.sage.members;
     platforms = platforms.all;