1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/tools/treefmt/default.nix b/nixpkgs/pkgs/development/tools/treefmt/default.nix
index 408272796d70..48fc4b44962e 100644
--- a/nixpkgs/pkgs/development/tools/treefmt/default.nix
+++ b/nixpkgs/pkgs/development/tools/treefmt/default.nix
@@ -17,5 +17,6 @@ rustPlatform.buildRustPackage rec {
     homepage = "https://github.com/numtide/treefmt";
     license = lib.licenses.mit;
     maintainers = [ lib.maintainers.zimbatm ];
+    mainProgram = "treefmt";
   };
 }