diff --git a/pkgs/by-name/vi/virt-viewer/package.nix b/pkgs/by-name/vi/virt-viewer/package.nix
index 253c5fab2e91..69f9b6fc34f1 100644
--- a/pkgs/by-name/vi/virt-viewer/package.nix
+++ b/pkgs/by-name/vi/virt-viewer/package.nix
@@ -111,6 +111,7 @@ stdenv.mkDerivation rec {
     ];
     platforms = with platforms; linux ++ darwin;
     license = licenses.gpl2;
+    mainProgram = "virt-viewer";
   };
   passthru = {
     updateInfo = {