diff --git a/mod.nix b/mod.nix
index 68a7f61..d62111a 100644
--- a/mod.nix
+++ b/mod.nix
@@ -74,6 +74,7 @@ in
     };
     environment.systemPackages = optionals cfgc.enable [
       (pkgs.writeScriptBin "brownpaper" ''
+    	#!${pkgs.bash}/bin/bash
         BROWNPAPER_ENDPOINT='${cfgc.endpoint}' ${(pkgs.callPackage ./. { inherit pkgs; src = ./.; }).client}/bin/brownpaper "$@"
       '')
     ];