diff --git a/pkgs/by-name/ge/gepetto-viewer/package.nix b/pkgs/by-name/ge/gepetto-viewer/package.nix
index 9abddf1ac581..0270c84daca2 100644
--- a/pkgs/by-name/ge/gepetto-viewer/package.nix
+++ b/pkgs/by-name/ge/gepetto-viewer/package.nix
@@ -93,6 +93,8 @@ let
       plugins:
       runCommand "gepetto-gui"
         {
+          inherit (finalAttrs) version;
+          pname = "gepetto-gui";
           meta = {
             # can't just "inherit (gepetto-viewer) meta;" because:
             # error: derivation '/nix/store/…-gepetto-gui.drv' does not have wanted outputs 'bin'