1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/deepdish/default.nix b/nixpkgs/pkgs/development/python-modules/deepdish/default.nix
index da73114835f8..7033e2f9f851 100644
--- a/nixpkgs/pkgs/development/python-modules/deepdish/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/deepdish/default.nix
@@ -35,6 +35,7 @@ buildPythonPackage rec {
 
   meta = with lib; {
     description = "Flexible HDF5 saving/loading and other data science tools from the University of Chicago.";
+    mainProgram = "ddls";
     homepage = "https://github.com/uchicago-cs/deepdish";
     license = licenses.asl20;
     maintainers = with maintainers; [ ndl ];