3 files changed, 10 insertions, 8 deletions
diff --git a/pkgs/development/tools/compass/Gemfile b/pkgs/development/tools/compass/Gemfile
index 66a29975e7dd..de8c23e303df 100644
--- a/pkgs/development/tools/compass/Gemfile
+++ b/pkgs/development/tools/compass/Gemfile
@@ -1,3 +1,2 @@
-source "https://rubygems.org" do
-  gem 'compass'
-end
+source 'https://rubygems.org'
+gem 'compass'
diff --git a/pkgs/development/tools/compass/Gemfile.lock b/pkgs/development/tools/compass/Gemfile.lock
index f0bf7699df0d..cc4969e234bb 100644
--- a/pkgs/development/tools/compass/Gemfile.lock
+++ b/pkgs/development/tools/compass/Gemfile.lock
@@ -25,7 +25,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  compass!
+  compass
 
 BUNDLED WITH
-   2.2.24
+   2.4.22
diff --git a/pkgs/development/tools/compass/default.nix b/pkgs/development/tools/compass/default.nix
index f8a2aad14f45..8b8752d1c0d8 100644
--- a/pkgs/development/tools/compass/default.nix
+++ b/pkgs/development/tools/compass/default.nix
@@ -1,9 +1,11 @@
-{ lib, bundlerApp, bundlerUpdateScript }:
+{ lib, bundlerEnv, bundlerUpdateScript, ruby }:
 
-bundlerApp {
+bundlerEnv {
   pname = "compass";
+  version = "1.0.3";
+
+  inherit ruby;
   gemdir = ./.;
-  exes = [ "compass" ];
 
   passthru.updateScript = bundlerUpdateScript "compass";
 
@@ -12,6 +14,7 @@ bundlerApp {
     homepage    = "https://github.com/Compass/compass";
     license     = with licenses; mit;
     maintainers = with maintainers; [ offline manveru nicknovitski ];
+    mainProgram = "compass";
     platforms   = platforms.unix;
   };
 }