diff --git a/tests/functional/openlp_core_lib/test_image_manager.py b/tests/functional/openlp_core_lib/test_image_manager.py
index 3256ef86f..81098eb89 100644
--- a/tests/functional/openlp_core_lib/test_image_manager.py
+++ b/tests/functional/openlp_core_lib/test_image_manager.py
@@ -5,7 +5,7 @@
 import os
 from unittest import TestCase
 
-from PyQt4 import QtGui
+from PyQt4 import QtCore, QtGui
 
 from openlp.core.lib import Registry, ImageManager, ScreenList
 
@@ -43,6 +43,12 @@ class TestImageManager(TestCase):
         # THEN returned record is a type of image
         self.assertEqual(isinstance(image, QtGui.QImage), True, u'The returned object should be a QImage')
 
+        # WHEN: The image bytes are requested.
+        byte_array = self.image_manager.get_image_bytes(TEST_PATH, u'church.jpg')
+
+        # THEN: Type should be a byte array.
+        self.assertEqual(isinstance(byte_array, QtCore.QByteArray), True, u'The returned object should be a QByteArray')
+
         # WHEN the image is retrieved has not been loaded
         # THEN a KeyError is thrown
         with self.assertRaises(KeyError) as context: