1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/applications/networking/browsers/castor/default.nix b/nixpkgs/pkgs/applications/networking/browsers/castor/default.nix
index 6a898fb0c95d..6d35a7091e8f 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/castor/default.nix
+++ b/nixpkgs/pkgs/applications/networking/browsers/castor/default.nix
@@ -44,6 +44,7 @@ rustPlatform.buildRustPackage rec {
 
   meta = with lib; {
     description = "A graphical client for plain-text protocols written in Rust with GTK. It currently supports the Gemini, Gopher and Finger protocols";
+    mainProgram = "castor";
     homepage = "https://sr.ht/~julienxx/Castor";
     license = licenses.mit;
     maintainers = with maintainers; [ fgaz ];