diff --git a/docker-compose.yml b/docker-compose.yml
index 44fac00..1170d43 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,5 +1,5 @@
 dev:
-  image: starefossen/iojs-imagemagick:2-6
+  image: starefossen/iojs-imagemagick:latest
   working_dir: /usr/src/app
   volumes:
     - ".:/usr/src/app"
diff --git a/test/suite.coffee b/test/suite.coffee
index 20f2eff..8cd0939 100644
--- a/test/suite.coffee
+++ b/test/suite.coffee
@@ -97,7 +97,7 @@ describe 'Upload', ->
       assert.equal upload.opts.url, 'https://s3-my-region-1.amazonaws.com/b/'
 
     it 'sets custom url', ->
-      upload = new Upload 'myBucket', url: 'http://cdn.app.com/'
+      upload = new Upload 'b', url: 'http://cdn.app.com/'
       assert.equal upload.opts.url, 'http://cdn.app.com/'
 
     it 'connects to AWS S3 using environment variables', (done) ->
@@ -105,9 +105,7 @@ describe 'Upload', ->
 
       upload = new Upload process.env.AWS_BUCKET_NAME
 
-      upload.s3.headBucket upload.opts.aws.params, (err, data) ->
-        assert.ifError err
-        done()
+      upload.s3.headBucket upload.opts.aws.params, done
 
     it 'connects to AWS S3 using constructor options', (done) ->
       @timeout 10000
@@ -116,9 +114,7 @@ describe 'Upload', ->
         accessKeyId: process.env.AWS_ACCESS_KEY_ID
         secretAccessKey: process.env.AWS_SECRET_ACCESS_KEY
 
-      upload.s3.headBucket upload.opts.aws.params, (err, data) ->
-        assert.ifError err
-        done()
+      upload.s3.headBucket upload.opts.aws.params, done
 
   describe '#_getRandomPath()', ->
     it 'returns a new random path', ->