1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/icalendar/default.nix b/nixpkgs/pkgs/development/python-modules/icalendar/default.nix
index c1237dc58829..28b5d1b81abb 100644
--- a/nixpkgs/pkgs/development/python-modules/icalendar/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/icalendar/default.nix
@@ -38,6 +38,7 @@ buildPythonPackage rec {
   meta = with lib; {
     changelog = "https://github.com/collective/icalendar/blob/v${version}/CHANGES.rst";
     description = "A parser/generator of iCalendar files";
+    mainProgram = "icalendar";
     homepage = "https://github.com/collective/icalendar";
     license = licenses.bsd2;
     maintainers = with maintainers; [ olcai ];