diff --git a/pkgs/applications/window-managers/i3/status-rust.nix b/pkgs/applications/window-managers/i3/status-rust.nix
index 616045127d26..52e6f7667a73 100644
--- a/pkgs/applications/window-managers/i3/status-rust.nix
+++ b/pkgs/applications/window-managers/i3/status-rust.nix
@@ -57,6 +57,7 @@ rustPlatform.buildRustPackage rec {
     description = "Very resource-friendly and feature-rich replacement for i3status";
     homepage = "https://github.com/greshake/i3status-rust";
     license = licenses.gpl3Only;
+    mainProgram = "i3status-rs";
     maintainers = with maintainers; [ backuitist globin ];
     platforms = platforms.linux;
   };