diff --git a/.travis.yml b/.travis.yml
index 911bed8..09405c7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,6 +6,8 @@ script: bundle exec rake
 before_install:
   - sudo apt-get update -qq
   - sudo apt-get install -qq libarchive-dev
+  - gem update --system
+  - gem install bundler
 
 rvm:
   - 2.1
@@ -18,8 +20,6 @@ notifications:
     on_success: change
     on_failure: change
 
-cache: bundler
-
 branches:
   only:
     - master
diff --git a/lib/opener/webservice/server.rb b/lib/opener/webservice/server.rb
index 186df1e..405a3c6 100644
--- a/lib/opener/webservice/server.rb
+++ b/lib/opener/webservice/server.rb
@@ -223,7 +223,7 @@ def analyze_async(options, request_id)
       # Submit the error to the error callback, re-raise so Rollbar can also
       # report it.
       rescue Exception => error
-        ErrorHandler.new.submit(error, request_id) if options['error_callback']
+        ErrorHandler.new.submit(error, request_id, options['error_callback']) if options['error_callback']
 
         raise error
       end
diff --git a/opener-webservice.gemspec b/opener-webservice.gemspec
index 5f7ebdb..b51b418 100644
--- a/opener-webservice.gemspec
+++ b/opener-webservice.gemspec
@@ -24,6 +24,7 @@ Gem::Specification.new do |spec|
   spec.add_dependency 'opener-core', '~> 2.3'
   spec.add_dependency 'puma'
   spec.add_dependency 'slop', '~> 3.0'
+  spec.add_dependency 'aws-sdk-v1'
 
   spec.add_dependency 'newrelic_rpm'
   spec.add_dependency 'rollbar', '~> 1.0'
diff --git a/spec/opener/webservice/server_spec.rb b/spec/opener/webservice/server_spec.rb
index 600c380..bbfa936 100644
--- a/spec/opener/webservice/server_spec.rb
+++ b/spec/opener/webservice/server_spec.rb
@@ -1,4 +1,5 @@
 require 'spec_helper'
+require 'aws-sdk-v1'
 
 describe Opener::Webservice::Server, :type => :request do
   before do
@@ -174,7 +175,7 @@ def run(input)
 
   context '#analyze_async' do
     before do
-      @input = {'input' => 'Hello world', 'error_callback' => 'foo'}
+      @input = {'input' => 'Hello world', 'error_callback' => 'http://foo'}
     end
 
     example 'analyze the input and submit the output to a callback' do
@@ -187,7 +188,7 @@ def run(input)
     example 'submit errors to the error callback if present' do
       Opener::Webservice::ErrorHandler.any_instance
         .should_receive(:submit)
-        .with(an_instance_of(StandardError), '123')
+        .with(an_instance_of(StandardError), '123', 'http://foo')
 
       @server.stub(:analyze).and_raise(StandardError)