diff --git a/plexpy/config.py b/plexpy/config.py
index 68ed0a58..00149ede 100644
--- a/plexpy/config.py
+++ b/plexpy/config.py
@@ -458,10 +458,11 @@ class Config(object):
 
         for key, subkeys in self._config.iteritems():
             for subkey, value in subkeys.iteritems():
-                if str(value).strip() and subkey.upper() not in _WHITELIST_KEYS and any(bk in subkey.upper() for bk in _BLACKLIST_KEYS):
-                    blacklist.append(str(value).strip())
+                if isinstance(value, basestring) and len(value.strip()) > 5 and \
+                    subkey.upper() not in _WHITELIST_KEYS and any(bk in subkey.upper() for bk in _BLACKLIST_KEYS):
+                    blacklist.append(value.strip())
 
-        plexpy.logger._BLACKLIST_WORDS = filter(None, blacklist)
+        plexpy.logger._BLACKLIST_WORDS = blacklist
 
     def _define(self, name):
         key = name.upper()