diff --git a/openlp/core/common/__init__.py b/openlp/core/common/__init__.py
index 6f8ed2025..543386e84 100644
--- a/openlp/core/common/__init__.py
+++ b/openlp/core/common/__init__.py
@@ -57,7 +57,7 @@ REPLACMENT_CHARS_MAP = str.maketrans({'\u2018': '\'', '\u2019': '\'', '\u201c':
                                       '\u2013': '-', '\u2014': '-', '\v': '\n\n', '\f': '\n\n'})
 NEW_LINE_REGEX = re.compile(r' ?(\r\n?|\n) ?')
 WHITESPACE_REGEX = re.compile(r'[ \t]+')
-INTERFACE_FILTER = re.compile('lo|loopback|docker|tun', re.IGNORECASE)
+INTERFACE_FILTER = re.compile('^lo|loopback|docker|tun', re.IGNORECASE)
 
 
 def get_network_interfaces():
diff --git a/openlp/core/common/settings.py b/openlp/core/common/settings.py
index 83d063cc0..e36ada28f 100644
--- a/openlp/core/common/settings.py
+++ b/openlp/core/common/settings.py
@@ -679,7 +679,11 @@ class Settings(QtCore.QSettings):
             default_value = Settings.__default_settings__[self.group() + '/' + key]
         else:
             default_value = Settings.__default_settings__[key]
-        setting = super(Settings, self).value(key, default_value)
+        try:
+            setting = super(Settings, self).value(key, default_value)
+        except TypeError:
+            log.error(f'Setting {key} is invalid , default {default_value} used as replacement')
+            setting = default_value
         return self._convert_value(setting, default_value)
 
     def setValue(self, key, value):