diff --git a/.travis.yml b/.travis.yml
index 7213bc0..1d8841d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1 +1 @@
-script: "bundle exec rake neo4j:install neo4j:start spec"
\ No newline at end of file
+script: "bundle exec rake neo4j:install neo4j:start spec --trace"
\ No newline at end of file
diff --git a/lib/neography/tasks.rb b/lib/neography/tasks.rb
index a65c944..b0b7768 100644
--- a/lib/neography/tasks.rb
+++ b/lib/neography/tasks.rb
@@ -1,4 +1,5 @@
 # borrowed from architect4r
+require 'os'
 
 namespace :neo4j do
   desc "Install Neo4j"