diff --git a/localstack/init/ready.d/s3.sh b/localstack/init/ready.d/s3.sh
index 70af45b..8456e35 100755
--- a/localstack/init/ready.d/s3.sh
+++ b/localstack/init/ready.d/s3.sh
@@ -5,7 +5,7 @@ BUCKET="test-jslib-aws"
 # The localstack exposes its init script in the `/etc/localstack/init` folder.
 # For convinience we've setup a `testdata` folder in the same directory.
 testdata_folder="/etc/localstack/init/testdata/s3"
-testdata_files="bonjour.txt tschuss.txt delete.txt"
+testdata_files="bonjour.txt tschuss.txt delete.txt mandrill.tiff"
 
 # Create the test-jslib-aws bucket
 awslocal s3api create-bucket \
diff --git a/localstack/init/testdata/s3/mandrill.tiff b/localstack/init/testdata/s3/mandrill.tiff
new file mode 100644
index 0000000..017ce58
Binary files /dev/null and b/localstack/init/testdata/s3/mandrill.tiff differ
diff --git a/tests/index.js b/tests/index.js
index 7ea2685..f8833c9 100644
--- a/tests/index.js
+++ b/tests/index.js
@@ -58,6 +58,10 @@ const testData = {
                 key: 'delete.txt',
                 body: 'Delete me in a test!',
             },
+            {
+                key: 'mandrill.tiff',
+                body: open('../localstack/init/testdata/s3/mandrill.tiff', 'b'),
+            },
         ],
     },
 
diff --git a/tests/internal/s3.js b/tests/internal/s3.js
index cc8f8bf..c1fd824 100644
--- a/tests/internal/s3.js
+++ b/tests/internal/s3.js
@@ -28,10 +28,11 @@ export async function s3TestSuite(data) {
 
         // Assert
         expect(objects).to.be.an('array')
-        expect(objects).to.have.lengthOf(3)
+        expect(objects).to.have.lengthOf(4)
         expect(objects[0].key).to.equal('bonjour.txt')
         expect(objects[1].key).to.equal('delete.txt')
         expect(objects[2].key).to.equal('tschuss.txt')
+        expect(objects[3].key).to.equal('mandrill.tiff')
     })
 
     await asyncDescribe('s3.getObject', async (expect) => {
@@ -46,6 +47,12 @@ export async function s3TestSuite(data) {
             data.s3.testObjects[1].key
         )
 
+        const gotBinaryObject = await s3Client.getObject(
+            data.s3.testBucketName,
+            data.s3.testObjects[3].key,
+            'binary'
+        )
+
         let getObjectFromNonExistingBucketError
         try {
             await s3Client.getObject('non-existent-bucket', data.s3.testObjects[0].key)
@@ -67,6 +74,9 @@ export async function s3TestSuite(data) {
         expect(gotSecondObject).to.be.an('object')
         expect(gotSecondObject.key).to.equal(data.s3.testObjects[1].key)
         expect(gotSecondObject.data).to.equal(data.s3.testObjects[1].body)
+        expect(gotBinaryObject).to.be.an('object')
+        expect(gotBinaryObject.key).to.equal(data.s3.testObjects[3].key)
+        expect(gotBinaryObject.data).to.equal(data.s3.testObjects[3].body)
         expect(getObjectFromNonExistingBucketError).to.not.be.undefined
         expect(getObjectFromNonExistingBucketError).to.be.an.instanceOf(S3ServiceError)
         expect(getNonExistingObjectError).to.not.be.undefined