diff --git a/pkgs/applications/misc/livecaptions/default.nix b/pkgs/applications/misc/livecaptions/default.nix
index d804a4ba881d..2d52e96fe359 100644
--- a/pkgs/applications/misc/livecaptions/default.nix
+++ b/pkgs/applications/misc/livecaptions/default.nix
@@ -72,5 +72,6 @@ in
       license = licenses.gpl3Plus;
       platforms = platforms.linux;
       maintainers = with maintainers; [Scrumplex];
+      mainProgram = "livecaptions";
     };
   })