diff --git a/package.nix b/package.nix
index fdd551e..511322d 100644
--- a/package.nix
+++ b/package.nix
@@ -108,6 +108,6 @@ stdenv.mkDerivation {
     sourceProvenance = with lib.sourceTypes; [ binaryNativeCode ];
     platforms = builtins.attrNames mozillaPlatforms;
     hydraPlatforms = [];
-    mainProgram = binaryName;
+    mainProgram = "zen";
   };
 }