diff --git a/openlp/core/lib/settings.py b/openlp/core/lib/settings.py
index 3e90239a7..49cd8f6d5 100644
--- a/openlp/core/lib/settings.py
+++ b/openlp/core/lib/settings.py
@@ -125,8 +125,7 @@ class Settings(QtCore.QSettings):
         u'core/ccli number': u'',
         u'core/has run wizard': False,
         u'core/language': u'[en]',
-        # This defaults to yesterday in order to force the update check to run when you've never run it before.
-        u'core/last version test': datetime.datetime.now().date() - datetime.timedelta(days=1),
+        u'core/last version test': u'',
         u'core/loop delay': 5,
         u'core/recent files': [],
         u'core/save prompt': False,
diff --git a/openlp/core/utils/__init__.py b/openlp/core/utils/__init__.py
index 0e48f2fa5..d4ee8039c 100644
--- a/openlp/core/utils/__init__.py
+++ b/openlp/core/utils/__init__.py
@@ -187,7 +187,7 @@ def check_latest_version(current_version):
     settings = Settings()
     settings.beginGroup(u'general')
     last_test = settings.value(u'last version test')
-    this_test = datetime.now().date()
+    this_test = unicode(datetime.now().date())
     settings.setValue(u'last version test', this_test)
     settings.endGroup()
     # Tell the main window whether there will ever be data to display
@@ -247,8 +247,7 @@ def get_images_filter():
     global IMAGES_FILTER
     if not IMAGES_FILTER:
         log.debug(u'Generating images filter.')
-        formats = [unicode(fmt)
-            for fmt in QtGui.QImageReader.supportedImageFormats()]
+        formats = map(unicode, QtGui.QImageReader.supportedImageFormats())
         visible_formats = u'(*.%s)' % u'; *.'.join(formats)
         actual_formats = u'(*.%s)' % u' *.'.join(formats)
         IMAGES_FILTER = u'%s %s %s' % (translate('OpenLP', 'Image Files'), visible_formats, actual_formats)
@@ -406,7 +405,7 @@ def get_natural_key(string):
     key = [int(part) if part.isdigit() else get_locale_key(part) for part in key]
     # Python 3 does not support comparision of different types anymore. So make sure, that we do not compare str and int.
     #if string[0].isdigit():
-    #    return [''] + key 
+    #    return [''] + key
     return key
 
 
diff --git a/tests/functional/openlp_core_utils/test_utils.py b/tests/functional/openlp_core_utils/test_utils.py
index b9decb37e..8e3a427ed 100644
--- a/tests/functional/openlp_core_utils/test_utils.py
+++ b/tests/functional/openlp_core_utils/test_utils.py
@@ -5,7 +5,9 @@ from unittest import TestCase
 
 from mock import patch
 
-from openlp.core.utils import get_filesystem_encoding, _get_frozen_path, get_locale_key, get_natural_key
+from openlp.core.utils import clean_filename, get_filesystem_encoding, _get_frozen_path, get_locale_key, \
+    get_natural_key, split_filename
+
 
 class TestUtils(TestCase):
     """
@@ -56,6 +58,53 @@ class TestUtils(TestCase):
             # THEN: The frozen parameter is returned
             assert _get_frozen_path(u'frozen', u'not frozen') == u'frozen', u'Should return "frozen"'
 
+    def split_filename_with_file_path_test(self):
+        """
+        Test the split_filename() function with a path to a file
+        """
+        # GIVEN: A path to a file.
+        file_path = u'/home/user/myfile.txt'
+        wanted_result = (u'/home/user', u'myfile.txt')
+        with patch(u'openlp.core.utils.os.path.isfile') as mocked_is_file:
+            mocked_is_file.return_value = True
+
+            # WHEN: Split the file name.
+            result = split_filename(file_path)
+
+            # THEN: A tuple should be returned.
+            assert result == wanted_result, u'A tuple with the directory and file name should have been returned.'
+
+    def split_filename_with_dir_path_test(self):
+        """
+        Test the split_filename() function with a path to a directory
+        """
+        # GIVEN: A path to a dir.
+        file_path = u'/home/user/mydir'
+        wanted_result = (u'/home/user/mydir', u'')
+        with patch(u'openlp.core.utils.os.path.isfile') as mocked_is_file:
+            mocked_is_file.return_value = False
+
+            # WHEN: Split the file name.
+            result = split_filename(file_path)
+
+            # THEN: A tuple should be returned.
+            assert result == wanted_result, \
+                u'A two-entry tuple with the directory and file name (empty) should have been returned.'
+
+    def clean_filename_test(self):
+        """
+        Test the clean_filename() function
+        """
+        # GIVEN: A invalid file name and the valid file name.
+        invalid_name = u'A_file_with_invalid_characters_[\\/:\*\?"<>\|\+\[\]%].py'
+        wanted_name = u'A_file_with_invalid_characters______________________.py'
+
+        # WHEN: Clean the name.
+        result = clean_filename(invalid_name)
+
+        # THEN: The file name should be cleaned.
+        assert result == wanted_name, u'The file name should not contain any special characters.'
+
     def get_locale_key_test(self):
         """
         Test the get_locale_key(string) function
@@ -82,4 +131,3 @@ class TestUtils(TestCase):
             # THEN: We get a properly sorted list
             test_passes = sorted(unsorted_list, key=get_natural_key) == [u'1st item', u'item 3b', u'item 10a']
             assert test_passes, u'Numbers should be sorted naturally'
-