1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/pydicom/default.nix b/nixpkgs/pkgs/development/python-modules/pydicom/default.nix
index 48824469b230..6bcb0c42fa58 100644
--- a/nixpkgs/pkgs/development/python-modules/pydicom/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/pydicom/default.nix
@@ -82,6 +82,7 @@ buildPythonPackage {
 
   meta = with lib; {
     description = "Python package for working with DICOM files";
+    mainProgram = "pydicom";
     homepage = "https://pydicom.github.io";
     changelog = "https://github.com/pydicom/pydicom/releases/tag/v${version}";
     license = licenses.mit;