1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/pyinstrument/default.nix b/nixpkgs/pkgs/development/python-modules/pyinstrument/default.nix
index 58fcc8c515ce..1646fcd1d115 100644
--- a/nixpkgs/pkgs/development/python-modules/pyinstrument/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/pyinstrument/default.nix
@@ -35,6 +35,7 @@ buildPythonPackage rec {
 
   meta = with lib; {
     description = "Call stack profiler for Python";
+    mainProgram = "pyinstrument";
     homepage = "https://github.com/joerick/pyinstrument";
     changelog = "https://github.com/joerick/pyinstrument/releases/tag/v${version}";
     license = licenses.bsd3;