1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/bitmath/default.nix b/nixpkgs/pkgs/development/python-modules/bitmath/default.nix
index 5c391bbc2dfd..d5bdf77fb592 100644
--- a/nixpkgs/pkgs/development/python-modules/bitmath/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/bitmath/default.nix
@@ -14,6 +14,7 @@ buildPythonPackage rec {
 
   meta = with lib; {
     description = "Module for representing and manipulating file sizes with different prefix";
+    mainProgram = "bitmath";
     homepage = "https://github.com/tbielawa/bitmath";
     license = licenses.mit;
     maintainers = with maintainers; [ twey ];