diff --git a/pkgs/servers/monitoring/sensu/default.nix b/pkgs/servers/monitoring/sensu/default.nix
index 2bb81d83337..ecc1d410984 100644
--- a/pkgs/servers/monitoring/sensu/default.nix
+++ b/pkgs/servers/monitoring/sensu/default.nix
@@ -4,9 +4,7 @@
     name = "sensu-0.17.1";
 
     inherit ruby;
-    gemfile = ./Gemfile;
-    lockfile = ./Gemfile.lock;
-    gemset = ./gemset.nix;
+    gemdir = ./.;
 
     meta = with lib; {
       description = "A monitoring framework that aims to be simple, malleable, and scalable";