1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/tokenize-rt/default.nix b/nixpkgs/pkgs/development/python-modules/tokenize-rt/default.nix
index 695ce44c20a8..662f96479834 100644
--- a/nixpkgs/pkgs/development/python-modules/tokenize-rt/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/tokenize-rt/default.nix
@@ -30,6 +30,7 @@ buildPythonPackage rec {
 
   meta = with lib; {
     description = "A wrapper around the stdlib `tokenize` which roundtrips";
+    mainProgram = "tokenize-rt";
     homepage = "https://github.com/asottile/tokenize-rt";
     license = licenses.mit;
     maintainers = with maintainers; [ lovesegfault ];