1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/applications/editors/jupyter-kernels/xeus-cling/xeus-cling.nix b/nixpkgs/pkgs/applications/editors/jupyter-kernels/xeus-cling/xeus-cling.nix
index f223043ca3b6..326d5a32e4b8 100644
--- a/nixpkgs/pkgs/applications/editors/jupyter-kernels/xeus-cling/xeus-cling.nix
+++ b/nixpkgs/pkgs/applications/editors/jupyter-kernels/xeus-cling/xeus-cling.nix
@@ -79,6 +79,7 @@ clangStdenv.mkDerivation rec {
 
   meta = {
     description = "Jupyter kernel for the C++ programming language";
+    mainProgram = "xcpp";
     homepage = "https://github.com/jupyter-xeus/xeus-cling";
     maintainers = with lib.maintainers; [ thomasjm ];
     platforms = lib.platforms.unix;