diff --git a/pkgs/by-name/ha/hacompanion/package.nix b/pkgs/by-name/ha/hacompanion/package.nix
index b0c45b04b531..a17ddc3d9aad 100644
--- a/pkgs/by-name/ha/hacompanion/package.nix
+++ b/pkgs/by-name/ha/hacompanion/package.nix
@@ -27,5 +27,6 @@ buildGoModule rec {
     license = lib.licenses.mit;
     platforms = lib.platforms.linux;
     maintainers = with lib.maintainers; [ ramblurr ];
+    mainProgram = "hacompanion";
   };
 }