diff --git a/pkgs/os-specific/linux/cpuset/default.nix b/pkgs/os-specific/linux/cpuset/default.nix
index e82e3f5901c..bb7a953c119 100644
--- a/pkgs/os-specific/linux/cpuset/default.nix
+++ b/pkgs/os-specific/linux/cpuset/default.nix
@@ -40,5 +40,6 @@ pythonPackages.buildPythonApplication rec {
     homepage    = "https://github.com/lpechacek/cpuset";
     license     = licenses.gpl2;
     maintainers = with maintainers; [ thiagokokada wykurz ];
+    mainProgram = "cset";
   };
 }