1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/lit/default.nix b/nixpkgs/pkgs/development/python-modules/lit/default.nix
index d7dd857c360b..9b63a4e88377 100644
--- a/nixpkgs/pkgs/development/python-modules/lit/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/lit/default.nix
@@ -31,6 +31,7 @@ buildPythonPackage rec {
 
   meta = {
     description = "Portable tool for executing LLVM and Clang style test suites";
+    mainProgram = "lit";
     homepage = "http://llvm.org/docs/CommandGuide/lit.html";
     license = lib.licenses.ncsa;
     maintainers = with lib.maintainers; [ dtzWill ];