diff --git a/pkgs/by-name/gn/gnome-calculator/package.nix b/pkgs/by-name/gn/gnome-calculator/package.nix
index ce4880b41f97..098944c87b15 100644
--- a/pkgs/by-name/gn/gnome-calculator/package.nix
+++ b/pkgs/by-name/gn/gnome-calculator/package.nix
@@ -74,6 +74,7 @@ stdenv.mkDerivation rec {
   meta = with lib; {
     homepage = "https://apps.gnome.org/Calculator/";
     description = "Application that solves mathematical equations and is suitable as a default application in a Desktop environment";
+    mainProgram = "gnome-calculator";
     teams = [ teams.gnome ];
     license = licenses.gpl3Plus;
     platforms = platforms.unix;