diff --git a/pkgs/by-name/ke/kexec-tools/package.nix b/pkgs/by-name/ke/kexec-tools/package.nix
index 5eef5475390e..4ff1618e5b12 100644
--- a/pkgs/by-name/ke/kexec-tools/package.nix
+++ b/pkgs/by-name/ke/kexec-tools/package.nix
@@ -59,5 +59,6 @@ stdenv.mkDerivation rec {
       "sparc64-linux"
     ];
     license = licenses.gpl2Only;
+    mainProgram = "kexec";
   };
 }