1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/tools/documentation/gi-docgen/default.nix b/nixpkgs/pkgs/development/tools/documentation/gi-docgen/default.nix
index bed660615179..b2652f6ca9fd 100644
--- a/nixpkgs/pkgs/development/tools/documentation/gi-docgen/default.nix
+++ b/nixpkgs/pkgs/development/tools/documentation/gi-docgen/default.nix
@@ -52,6 +52,7 @@ python3.pkgs.buildPythonApplication rec {
 
   meta = with lib; {
     description = "Documentation generator for GObject-based libraries";
+    mainProgram = "gi-docgen";
     homepage = "https://gitlab.gnome.org/GNOME/gi-docgen";
     license = licenses.asl20; # OR GPL-3.0-or-later
     maintainers = teams.gnome.members;