diff --git a/pkgs/applications/misc/gollum/default.nix b/pkgs/applications/misc/gollum/default.nix
index 1c58aec0233..1f3cc9e27c0 100644
--- a/pkgs/applications/misc/gollum/default.nix
+++ b/pkgs/applications/misc/gollum/default.nix
@@ -5,9 +5,7 @@ bundlerEnv rec {
   version = "4.0.1";
 
   ruby = ruby_2_2;
-  gemfile = ./Gemfile;
-  lockfile = ./Gemfile.lock;
-  gemset = ./gemset.nix;
+  gemdir = ./.;
 
   meta = with lib; {
     description = "A simple, Git-powered wiki";